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プロジェクトセカイ カラフルステージ! feat. 初音ミク
Project Sekai is in the middle of its 6th Anniversary Song Addition Campaign, with new rhythm songs added through the in-game Music Shop via Music Card exchanges and a nationwide school broadcast running through October 28, 2026. The sixth SekaLive concert is scheduled for December 27, 2026 in Hyogo and February 28, 2027 in Kanagawa.
Synthesized from 30
Yomimono stories · updated
2d ago
Project Sekai's sixth anniversary is running as a campaign across the game, YouTube, and physical locations in Japan. Sega and Colorful Palette opened the event "Side by Side, Our Ways!" and the "[6th Anniversary] Bloom Festival Gacha Dream Pick" on September 30, 2026, with the gacha setting the 4-star provision rate at 6 percent, double the usual 3 percent. The event runs through October 10 with an After Live in Virtual Live. Songs added under the 6th Anniversary Song Addition Campaign include "Abnormality Dancing Girl" on October 2, "LEMON MELON COOKIE" on October 4, "Darling" on October 9, and "Suitei Love Song" on October 7. Each is obtained by exchanging a Music Card at the Music Shop.
The anniversary campaign also moves outside the app. Sega began the "6th ANNIVERSARY Nationwide School Broadcast" on October 7, 2026, running through October 28 at high schools in Japan. Ichika Hoshino and An Shiraishi, broadcast committee members in the story, deliver the broadcast, which airs at random times twice during the period and later posts in full to the official Proseka YouTube channel. Participating schools belong to the YOUTH TIME JAPAN project.
Outside the anniversary, the game's September content cycle included the World Link Event "Connect to SEKAI!" from September 25 to 28 with all 26 characters eligible for bonuses, and the event "After the Fire" from September 6 to 12, which added the Vivid BAD SQUAD song "Seikai." The Vocaloid song collaboration The Music Style ran from September 3 through September 13 with the Dressed in Melodies Gacha. The game also posts full-size music videos on its YouTube channel, including solo 2D MVs for four characters between September 5 and 8 and full-size 2DMVs for "Seikai" and "Heredity."
The sixth SekaLive concert runs at World Memorial Hall in Hyogo on December 27, 2026 and at Pia Arena MM in Kanagawa on February 28, 2027. Both final days broadcast live to theaters in Japan and overseas. The 6th Anniversary Thanksgiving Festival streamed on ABEMA PPV on October 3 and 4, with tickets at 3,900 yen including tax.
Key facts
- Anniversary gacha 4-star rate
- 6 percent, double the usual 3 percent ↗
- School broadcast period
- October 7 to October 28, 2026 ↗
- SekaLive 6th venues and dates
- World Memorial Hall in Hyogo on December 27, 2026; Pia Arena MM in Kanagawa on February 28, 2027 ↗
- Thanksgiving Festival stream
- ABEMA PPV on October 3 and 4, 2026; tickets 3,900 yen including tax ↗
- World Link Event eligibility
- All 26 characters eligible for bonuses ↗
- Seikai song added
- Vivid BAD SQUAD unit song written and composed by Amala, available from the in-game Present section ↗
- After the Fire event period
- September 6 through September 12 at 20:59 ↗
- The Music Style collaboration period
- September 3 through September 13 at 23:59 ↗
Timeline
- Oct 12, 2026 Crunchyroll Reveals NYCC Slate With Webtoon Deal And Sekiro Anime
- Oct 9, 2026 Project Sekai Adds "Darling" And Posts Full "Tensei Ringo" 2DMV
- Oct 7, 2026 RAKUGAKI STUDIO Sets October 11 Release For Himitsu Kagi Featuring Natori Sana
- Oct 7, 2026 Project Sekai Launches 6th Anniversary School Broadcast Across Japan
- Oct 6, 2026 UNDEFEATED: Genesis Demo Shows Off High-Speed Vanish Combat at OIGS2026
- Oct 4, 2026 Rideon Japan Announces Mercenaries Grace, 8th Mercenaries Saga Entry, For November
- Oct 4, 2026 Project SEKAI Adds Lemon Melon Cookie As Rhythm Song
- Oct 4, 2026 Project SEKAI Adds "Abnormality Dancing Girl" With 3DMV
- Oct 4, 2026 Project Sekai Opens 6th Anniversary Event With Bloom Festival Gacha
- Oct 4, 2026 Project SEKAI Opens World Link Event Connect To SEKAI
- Oct 4, 2026 Project Sekai Posts Full-Size 2D MV For Heredity Sekai Ver.
- Oct 4, 2026 SEKIRO: NODEFEAT TV Anime Airs January 2027 as Eight Episodes
- Oct 3, 2026 Ado and Sanrio's KUROMI Announce First Collaboration Song DND feat. KUROMI
- Sep 26, 2026 Project SEKAI COLORFUL LIVE 6th Adds Theater Live Viewing
- Sep 25, 2026 SEKIRO: NO DEFEAT Anime Gets 8-Episode TV Run In January 2027
- Sep 24, 2026 KUROMI and Ado Release Collaboration Song DND feat. KUROMI
- Sep 19, 2026 Project Sekai 6th Anniversary Concert To Stream Live On ABEMA PPV Over Two Days
- Sep 17, 2026 Sekiro: No Defeat Apparel Pre-Orders Open With Wolf, Kuro, Genichiro Ashina
- Sep 14, 2026 Project Sekai Posts Full-Size 2DMV for Seikai Sekai Ver.
- Sep 12, 2026 Romelia War Chronicle Anime Sets October 3 Streaming Debut
- Sep 11, 2026 Project Sekai Adds Vivid BAD SQUAD's Seikai as Rhythm Game Song
- Sep 10, 2026 Featured Projects 2026 Adds Koyama, Kawakami, Harada to Design Festival Talks
- Sep 10, 2026 Sega Fave Opens Reservations for Project Sekai and Persona 5 Royal Fuwapuchi Miku Figure
- Sep 8, 2026 Project Sekai Releases Four Character Solo 2D MVs in Four Days
- Sep 8, 2026 Project Sekai's After the Fire Event Runs Through September 12
- Sep 8, 2026 VOrbit ASMR Gives 2D VTubers a Virtual Dummy Head Mic
- Sep 6, 2026 Sekiro: No Defeat Director Details Quest for Maximum Beauty
- Sep 6, 2026 Project Sekai The Music Style Collaboration Adds Six Song-Titled Members
- Sep 4, 2026 Project Sekai Releases Tenma Tsukasa Solo 2D MV for Buriki no Dance
- Sep 3, 2026 Project Sekai Launches Vocaloid Song Collaboration The Music Style
Synthesized by Yomimono from the cited Yomimono stories below, each itself
sourced, then editorially reviewed. Every
fact links the story it came from.
Facts
- Release
- music_video · 2026-10-11 · 2026-10-07
- Release
- music_video · 2026-08-29 · 2026-09-01
- Release
- music_video · 2026-08-01 · 2026-08-07
- Release
- music_video · 2026-07-01 · Japan · 2026-07-02
- Release
- game · 2026-05-29 · 2026-06-01
- Noted
- The game is a rhythm and adventure title for iOS and Android. · 2026-09-01
- Noted
- The track can be received by any player from the in-game Present feature. · 2026-09-01
- Noted
- the pair issued a statement on July 1 apologizing and saying they will rework the relevant parts before re-releasing the song · 2026-07-02
- Announced
- Amala and Satsuki will join as songwriting creators · 2026-08-28
Connections
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- Confirmed 40mP produces プロジェクトセカイ カラフルステージ! feat. 初音ミク Jun 14 · source
All coverage
12h ago
The Project Sekai 6th Anniversary Thanksgiving Festival ran October 3 and 4, 2026, at Tokyo Metropolitan Gymnasium. Day one, October 3, held the Project Sekai Championship 2026. The broadcast station special that aired just before the performance announced the main story will conclude around early 2028, after which the story will develop along two axes, After Story and Another Story.
1d ago
Kocchi no Kento will digitally release "Kotonoha feat. SO-SO" on Friday, October 30. The song is the theme for the TV Asahi variety show "Nikagame." Kocchi no Kento wrote the lyrics, both artists composed it, and SO-SO arranged it. Pizza Kozo, known for cartoon-style animation, produces the music video.
2d ago
Crunchyroll's New York Comic Con showcase included a development deal with Hayate and Line Digital Frontier for around 15 webcomic adaptations, plus adaptations of The Remarried Empress and The Boxer. Sekiro: No Defeat will debut in January 2027 as an eight-episode series, and Ghost of Tsushima Legends targets a 2028 release.
6d ago
Project Sekai added "Darling" as a rhythm game song on Friday, October 9, 2026, part of the 6th Anniversary Song Addition Campaign, and it is available by exchanging Music Cards at the Music Shop. The same day, the official Project Sekai YouTube channel posted the full-size 2DMV for the Sekai ver. of "Tensei Ringo," sung by Hatsune Miku and Wonderlands x Showtime.
Oct 7
RAKUGAKI STUDIO will release "Himitsu Kagi (feat. Natori Sana)" on October 11, 2026, alongside a music video. Takafumi Sato wrote the lyrics and produced the project, with music by Sasuke Haraguchi and Shogo Nomura and vocals from Natori Sana, who works as a VTuber. The video uses illustrations and artwork by kiato, with GALLANT animating and BOLT.inc directing.
Oct 7
Sega began the "6th ANNIVERSARY Nationwide School Broadcast" on October 7, 2026, running through October 28 at high schools in Japan. Ichika Hoshino and An Shiraishi, broadcast committee members in the story, deliver the special broadcast. Participating schools belong to the YOUTH TIME JAPAN project, a network of broadcasting clubs and student councils. The broadcast airs at random times twice during the period, with the full version later posted to the official Proseka YouTube channel. "Suitei Love Song" also joined the rhythm game today, playable by exchanging a Music Card at the Music Shop.
Oct 6
Indie-us Games brought a playable demo of UNDEFEATED: Genesis to the Osaka Indie Games Summit 2026, held in Umeda on October 3 and 4. The superhero action RPG is a prequel to 2019's free PC release UNDEFEATED, runs on Unreal Engine 5, is published by Chorus Worldwide, and targets a 2027 release.
Oct 4
Rideon Japan announced Mercenaries Grace: Black Feathers and the Golden Right Arm on September 25. The tactical SRPG is the eighth Mercenaries Saga title and is scheduled for release around November on PS5, Nintendo Switch, and PC via Steam. It replaces the series' traditional turn order with a one-move alternating system, adds eight Ladder Classes, and introduces a gauge-fueled move called Soul Exceed.
Oct 4
Sega and Colorful Palette added "LEMON MELON COOKIE" to Project SEKAI COLORFUL STAGE! feat. Hatsune Miku on October 4, 2026, as part of the 6th Anniversary Song Addition Campaign. The song, written and composed by TAK, is exchanged for Music Cards at the Music Shop. Two audio versions are playable, and a 3DMV is on the game's official YouTube channel.
Oct 4
Sega and Colorful Palette added the song "Abnormality Dancing Girl" to the iOS and Android game Project SEKAI COLORFUL STAGE! feat. Hatsune Miku on Friday, October 2, 2026, under the 6th Anniversary Song Addition Campaign. Lyrics and music are by Guchiry. Players get it by exchanging a Music Card at the Music Shop, and a 3DMV is out on the game's official YouTube channel.
Oct 4
Sega and Colorful Palette started the Project Sekai event "Side by Side, Our Ways!" and the "[6th Anniversary] Bloom Festival Gacha Dream Pick" on Wednesday, September 30, 2026. The event runs through October 10, with an After Live in Virtual Live. The gacha sets the ★4 provision rate at 6 percent, double the usual 3 percent, and runs through October 4.
Oct 4
Sega and Colorful Palette are running the World Link Event "Connect to SEKAI!" in Project Sekai: Colorful Stage! feat. Hatsune Miku, starting September 25, 2026 at 20:00 and ending September 28, 2026 at 19:59. The event is a closing chapter held after all World Link Event chapters finished. All 26 characters are eligible for bonuses, and support unit settings can add event effects.
Oct 4
Sega and Colorful Palette have published the full-size 2D music video for "Heredity" (Sekai ver.) on the official Project Sekai YouTube channel, where it has been available since Sunday, September 20, 2026. The version is sung by Megurine Luka and Wonderlands x Showtime, with lyrics and music by Satsuki. The song can be claimed by any player from the in-game Present section.
Oct 4
KADOKAWA and ARCH will bring SEKIRO: NODEFEAT to television in January 2027 as an eight-episode series, reconstructed from the theatrical film with new episodes and new cuts. The film, a fully hand-drawn 2D work based on FromSoftware's SEKIRO: SHADOWS DIE TWICE, opened in a three-week limited nationwide run on September 4, and additional screenings begin October 2 because of its popularity. Kenichi Kuchina directs, making his feature directorial debut. Animation production is by Qzil.la, with KADOKAWA on production and ARCH on producing. ARCH, representing the production committee, said the project started as an eight-episode TV series, and that the theatrical version was an edited advance release made so audiences could first experience the visuals and sound on a theater screen. ARCH also said the TV series will include scenes and cuts not in the film.
Oct 3
Sanrio announced on September 21 that the artist KUROMI and singer Ado will digitally release their first collaboration song, "DND feat. KUROMI," on September 25. The title stands for "Do Not Disturb." Sanrio describes the track as a strong-willed, positive self-affirmation song about blocking out the noise around you and other people's values, and pushing toward your dreams in your own way. The lyrics were written by Kanata Okajima and monii, with composition by Johnny R, monii, Ari, and KIRA. Arrangement is credited to Ari, KIRA, monii, and Johnny R. Universal Music handles distribution. A collaboration visual was released at the same time, showing Ado with twin tails that link with KUROMI's black hood. The project came about through an offer from KUROMI to Ado, driven by KUROMI's wish to make everyone happy with songs and set the world abuzz. The song is the latest entry in KUROMI's discography, which includes the 1st EP "KUROMI IN MY HEAD" from October 2025 and the 2nd EP "HYPER KUROMISM" from June 2026.
Sep 26
The sixth SekaLive concert will run at World Memorial Hall in Hyogo on December 27, 2026 and at Pia Arena MM in Kanagawa on February 28, 2027. Both final days will be broadcast live to theaters in Japan and overseas, covering the 12:00 and 18:00 performances. Tickets cost 3,900 yen for the venue and the same for live viewing, with an admission gift at participating theaters.
Sep 25
The staff of SEKIRO: NO DEFEAT announced that the anime will air as an eight-episode television series starting in January 2027. The television version follows the story of the theatrical film while adding new episodes and cuts, presented weekly with material not included in the film. Qzil.la returns for animation production, with Kenichi Kutsuna as director, Takuya Sato on series composition, and Takahiro Kishida on character design. The cast carries over from the film, including Daisuke Namikawa as Wolf, Miyuki Sato as Kuro, and Kenjiro Tsuda as Genichiro Ashina. The film began a three-week limited run in Japanese theaters on September 4, 2026, and additional screenings were set from October 2 after demand. Crunchyroll will stream the series worldwide excluding Japan, China, Korea, Russia, and Belarus. ARCH, which produces for the committee, stated the project began as an eight-episode series and was released early as an edited film.
Sep 24
Sanrio's KUROMI and singer Ado have released a collaboration song, "DND feat. KUROMI," on Friday, September 25, 2026. DND stands for "Do Not Disturb," and the song is a self-affirmation track about ignoring outside noise and other people's values. KUROMI offered the collaboration to Ado directly. Kanata Okajima and monii wrote the lyrics, and Johnny R, monii, Ari, and KIRA share composition credits. Universal Music distributes it.
Sep 19
The Project Sekai 6th Anniversary Thanksgiving Festival will stream live on ABEMA PPV on Saturday, October 3 and Sunday, October 4, 2026, with viewing tickets at 3,900 yen including tax. Day one and day two differ in song count, setlist and performing cast. The program includes a reading drama with a scenario written for the event, and virtual singers appear on some songs alongside the cast.
Sep 17
Aniware Inc. opened pre-orders on September 17 for five graphic apparel items tied to the theatrical anime Sekiro: No Defeat, sold through its SuperGroupies e-commerce site. The lineup covers T-shirts and hoodies printed with Wolf, Kuro, and Genichiro Ashina. A Wolf & Kuro model places the two characters on the back and front respectively and ships as a black T-shirt, a white T-shirt, and a hoodie. A Genichiro Ashina T-shirt centers on the character's eyes, with the work's logo at the neckline. A Wolf VS Genichiro Ashina hoodie carries the two figures on the back and a standing Kuro silhouette on the front. T-shirts run 6,600 yen each with tax, hoodies 12,100 yen each, in sizes S through XXL. The pre-order window closes October 13 at noon, with delivery scheduled for around early December.
Sep 14
Sega and Colorful Palette released the full-size 2DMV for "Seikai" (Sekai ver.) on the official Project Sekai YouTube channel on Saturday, September 12, 2026. The song, written and composed by Amala Ura, is performed by Kagamine Rin and Vivid BAD SQUAD. The track is available to players through the in-game Present section of the iOS and Android rhythm and adventure game.
Sep 12
The television anime of Ryo Ariyama's Romelia War Chronicle light novels will debut streaming in Japan on October 3 at 9:00 p.m. on U-NEXT, Anime Times, and Netflix, then air on Tokyo MX, BS11, and Sun TV on October 5. A new promotional video previews Chogakusei's opening theme "Akatsuki ni Naru" and Kohta Yamamoto's ending theme "Nightfall feat. Maika Loubte." The anime runs two cours, with Crunchyroll streaming as it airs.
Sep 11
Vivid BAD SQUAD's unit song "Seikai" was added to Project Sekai: Colorful Stage! feat. Hatsune Miku as a rhythm game song on September 6, 2026, available to anyone from the in-game Present section. The lineup also includes "Kyofu All Back," "Kofukukei," "Haneuta," and "Pentatonic." The event "After the Fire" and the "Shady Stare Gacha" are running alongside it.
Sep 10
Featured Projects 2026 will run from September 25 to 27 at KOKUYO's THE CAMPUS in Shinagawa, Tokyo. The third edition of the design festival is organized around the theme "The 'interval' in which things are born," with talk sessions, workshops, meetups, table talks, and live performances. Newly confirmed participants include Takuya Koyama of Yabai T-Shirts Yasan, Noriko Kawakami, Yuma Harada, Niina Ai, and Takuto Okamoto.
Sep 10
Sega Fave will take reservations for the Project Sekai Colorful Stage! feat. Hatsune Miku and Persona 5 The Royal Fuwapuchi Deformed Figure Hatsune Miku from 11:00 on September 10, 2026 through November 10, 2026 at 23:59. The palm-sized figure is about 8 cm tall, costs 3,080 yen with tax, and is scheduled to ship in May 2027.
Sep 8
Sega and Colorful Palette released four character solo 2D music videos on the official Project Sekai YouTube channel between September 5 and 8, 2026. Each video is a full-size solo performance of a Vocaloid song sung by a single character from the iOS and Android rhythm and adventure game Project Sekai: Colorful Stage! feat. Hatsune Miku.
MEIKO sings "Yoidore Shirazu" by Kanaria in the September 5 video. Hinomori Shizuku, voiced by Rina Honizumi, sings "Romeo and Cinderella" by doriko in the September 6 video. Hoshino Ichika, voiced by Ruriko Noguchi, sings "Mosaic Roll (Reloaded)" by DECO*27 in the September 7 video. An Shiraishi, voiced by Jena Sumi, sings "PaIII.SENSATION" in the September 8 video.
All four songs are also playable as rhythm game tracks. Each one is unlocked by exchanging a Music Card at the in-game Music Shop. The four announcements were all published by Sega on September 8, 2026.
Sep 8
Project Sekai: Colorful Stage! feat. Hatsune Miku is running the in-game event After the Fire from September 6 through September 12 at 20:59. The event adds the Vivid BAD SQUAD unit song Seikai, written and composed by Amala, obtainable from the in-game Present. A Shady Stare gacha runs alongside it through September 14, adding Shinonome Akito, Aoyagi Toya, and Kagamine Rin with live costumes.
Sep 8
feath announced VOrbit ASMR on September 8, a virtual dummy head microphone for 2D VTubers. The Windows software reads tracking data from VTube Studio, nizima LIVE, and VMC Protocol apps and places the user's mic input as binaural audio in space, so the avatar's movement moves the voice. A free Steam playtest is recruiting about 30 participants for two weeks to a month.
Sep 6
Director Kenichi Kutsuna said he set the theme for the theatrical anime Sekiro: No Defeat as "poignant and beautiful" from the proposal stage. He wanted to depict the story of Wolf and Kuro, set in the late Sengoku period, with hand-drawn 2D animation, adding scenes of ordinary villagers so Kuro could show age-appropriate emotions. The film is now screening for three weeks.
Sep 6
Project Sekai Colorful Stage! feat. Hatsune Miku hosts the Vocaloid song collaboration The Music Style through September 13 at 23:59. The Dressed in Melodies Gacha introduces six members, some with live costumes. Login and stamp missions also run through the event period.
Sep 4
Sega and Colorful Palette released a full-size character solo 2D MV for the song Buriki no Dance on the official Project Sekai YouTube channel on September 4, 2026. The track, written and composed by Hinata Denko, is sung by Tenma Tsukasa, voiced by Daisuke Hirose. In the rhythm game, players unlock it by exchanging a Music Card at the Music Shop.
Sep 3
Sega and Colorful Palette began the Vocaloid song collaboration The Music Style in Project Sekai Colorful Stage! feat. Hatsune Miku on September 3, 2026. The event pairs Project Sekai characters with Vocaloid song worldviews and includes the Dressed in Melodies Gacha, a login campaign, and a stamp mission, all running until September 13.
Sep 2
Tokino Sora released the music video for her latest song KIRAMEKI MODE! feat. Hibiki Riona, which arrived on August 5. Guest artist Hibiki Riona appears in the video alongside Sora. TeddyLoid wrote, composed, arranged, and produced the track. The article frames the video as a collaboration between Sora, described as Hololive's top talent in 2026, and Riona, the group's youngest member and its public face.
Sep 2
Pre-orders for merchandise tied to the anime film Sekiro: No Defeat begin at Kadostore on Friday, September 4, 2026, at 10:00 AM. The lineup includes plushies of Wolf and Kuro, two versions of the theater pamphlet, a tea canister and cup inspired by Kuro's teahouse, and a set of five postcards. The Wolf and Kuro plushies each cost 3,850 yen including tax, measure about 12 centimeters, and are scheduled to ship in November 2026. The regular theater pamphlet is priced at 1,650 yen, while the special edition with a digital making-of costs 3,300 yen. The special edition includes a serial code for a web app that shows about 25 cuts of original drawings alongside the completed footage. Kuro's Tea, a canister with about 10 grams of green tea, costs 3,300 yen, and the matching tea cup costs 1,320 yen. The postcard set is 550 yen. Most items release in September 2026, and pre-orders close on October 4, 2026, at 11:59 PM. The film itself opens in Japanese theaters for a three-week run on September 4.
Sep 2
Sega and Colorful Palette added "shake it!" to Project Sekai: Colorful Stage! feat. Hatsune Miku on September 1, 2026. The song, written and composed by emon (Tes.), is unlocked by exchanging a Music Card at the Music Shop. It plays in two versions: the Sekai ver. with Kagamine Rin and MORE MORE JUMP!, and the Virtual Singer ver. with Hatsune Miku, Kagamine Rin, and Kagamine Len.
Sep 1
Sega and Colorful Palette released the full-size 2D MV for 'Haneuta' Sekai ver. on the official Project Sekai YouTube channel starting August 29, 2026. The song, written and composed by Ryoryo, is sung by KAITO and Vivid BAD SQUAD. The track can be received by any player from the in-game Present feature, and the game is a rhythm and adventure title for iOS and Android.
Aug 30
KADOKAWA announced an event for the theatrical anime 'SEKIRO: NO DEFEAT' on September 5 at Shibuya Scramble Square. Attendees get free 'Ashina Water' label water bottles, a photo spot, and a 'Hesitate, and You Lose' sticker for posting photos. A Tokyo Tower projection mapping collaboration runs September 11 to 23.
Aug 29
Sega and Colorful Palette have begun the Mix&Make Party Time!! in-game event for Project Sekai Colorful Stage! feat. Hatsune Miku, running from August 29 to September 4. The event introduces three new ★2 members and is paired with the Unspoken Code Gacha, which adds three ★4 members with live costumes until September 6.
Aug 28
Sega and Colorful Palette released the full-size 2D music video for "Pentatonic" (SEKAI ver.) on the official Project Sekai YouTube channel on August 28, 2026. The song, written and composed by syudou and Balloon, is sung by Hatsune Miku and five other characters. Players can receive it from the Gift menu in the game.
Aug 28
Sega and Colorful Palette added syudou's newly written song 'Anti-Sainou' to Project Sekai Colorful Stage! feat. Hatsune Miku on August 27, 2026. The track is performed by MEIKO, Airi Momoi, Akito Shinonome, Nene Kusanagi, and Ena Shinonome. Players can receive it from the in-game Gift, and a 2D MV is on YouTube.
Aug 28
Sega and Colorful Palette announced that Amala and Satsuki will join Project SEKAI as songwriting creators. Amala will write a new song for Vivid BAD SQUAD, and Satsuki for Wonderlands×Showtime, both to be added as rhythm game songs. The announcement also covered the upcoming The Music Style collaboration, new rhythm game songs, the Connect Live series, and a World Link event finale.
Aug 28
The production team behind the theatrical anime Sekiro: No Defeat released new scene cuts and an official interview with director Kenichi Kutsuna on August 27, ahead of the film's limited three-week theatrical run starting September 4. The all-hand-drawn 2D animated film, based on FromSoftware's action game Sekiro: Shadows Die Twice, is produced by Qzil.la Inc., with production handled by KADOKAWA Corporation and planning by Arch Inc. The film carries a PG12 rating. The newly released cuts focus on the melancholic bond between the protagonist Wolf, voiced by Daisuke Namikawa, and his young lord Kuro, voiced by Miyuki Sato, depicting the tragic fate shared by the pair as they seek the Mortal Blade. The film's story centers on the curse of immortality, the Dragon's Heritage blood that Kuro carries, and the disease Dragonrot that spreads as a consequence. Genichiro Ashina, voiced by Kenjiro Tsuda, is portrayed as a man who sought immortality not for selfish reasons but to save his dying homeland. The theme song is "Blu" by Ryuichi Sakamoto.
Aug 21
Sega and Colorful Palette released the full-size 2DMV for Hide and Seek Sekai Ver. on the official Project Sekai YouTube channel on August 21, 2026. The video features Hatsune Miku and Leo/need singing the song, which was written and composed by 19 -iku-. Hide and Seek is available as a rhythm game song through Music Cards at the Music Shop in Project Sekai: Colorful Stage! feat. Hatsune Miku for iOS and Android.
Aug 21
The staff of the anime film Sekiro: No Defeat began streaming main feature footage on August 21, 2026, focusing on the battle between protagonist Wolf and Gyoubu Masataka Oniwa, the warrior guarding the great gate of Ashina Castle. The clip shows Gyoubu on his horse Onikage, announcing himself with the line from the game, and attacking with a cross-bladed spear while Wolf uses the shinobi prosthetic and grappling hook. The film is fully hand-drawn 2D animation, produced by Qzil.la with Kenichi Kutsuna directing in his feature-length debut. The screenplay is by Takuya Sato, character design by Takahiro Kishida, and music by Shuta Hasunuma. The cast reprises roles from the game, including Daisuke Namikawa as Wolf and Miyuki Sato as Kuro. The film will screen in Japanese theaters for three weeks starting September 4, 2026, with a PG12 rating. Crunchyroll will stream it worldwide excluding Japan, China, Korea, Russia, and Belarus in 2026. The theme song is Ryuichi Sakamoto's "Blu."
Aug 18
The theatrical anime SEKIRO: NO DEFEAT, based on FromSoftware's action game SEKIRO: SHADOWS DIE TWICE, released a character PV and new scene cuts for the Divine Heir on August 18, which is Rice Day in Japan. The Divine Heir, voiced by Risa Shimizu, is a character with the power to produce rice and holds the key to severing the Dragon's Heritage. The new visual depicts the Divine Heir holding rice in both hands while wrapped in white light. The scene cuts showcase the film's fully hand-drawn 2D background art, created by art director Yuji Kaneko of Studio Blueprints, who painted each piece on paper with brush and paint. The backgrounds include Ashina Castle against snowy mountains, Wolf and Kuro in a pampas grass plain, and Wolf facing Genichiro in the castle's great hall. The film is directed by Kenichi Kutsuna, with animation production by Qzil.la, and will be screened nationwide for a limited three-week run starting September 4. A giveaway campaign on X offers special packaged glossy rice to winners who quote-repost with the hashtag '#お米は大事' (Rice is Important) by August 25.
Aug 17
Sega and Colorful Palette added STEAKA's new song "Stardust Rain" to Project Sekai Colorful Stage! feat. Hatsune Miku on August 15, 2026. The unit song features KAITO and MORE MORE JUMP! and is available to all players through the in-game Present feature. The 3DMV and 2DMV are on YouTube.
Aug 14
KADOKAWA announced on August 14, 2026 that the theatrical anime Sekiro: No Defeat will offer a newly drawn visual board by character designer Takahiro Kishida as its first-week visitor gift. The film, based on FromSoftware's Sekiro: Shadows Die Twice, will screen in theaters nationwide for a limited three-week run starting September 4. The B5-sized visual board will be distributed from September 4 to September 11, while supplies last at each theater. Commemorative stage greetings are scheduled for September 5 in Osaka and Nagoya, featuring director Kenichi Kutsuna, assistant director Shunsuke Fukui, and animation producer Shun Fukutome. A separate cast stage greeting will take place on September 6 at Shinjuku Wald 9, with voice actors Daisuke Namikawa, Miyuki Sato, Shizuka Ito, and Tetsuo Kanao. The film also announced a collaboration with Kakiyasu's Kofukudo wagashi shop, selling an original ohagi inspired by the ones Wolf and Kuro make in the story. A single ohagi costs 360 yen, while a three-piece set with a postcard costs 1,500 yen, available from September 4 at Kofukudo stores nationwide.
Aug 10
Sega and Colorful Palette released the full-size 2D music video for "Tenbin, Yubisaki de Furete" (Sekai ver.) on the official Project Sekai YouTube channel on August 7, 2026. The song, written and composed by Roku Uhana, is sung by Kagamine Rin and Leo/need. Players can receive the track from in-game Gifts.
Aug 9
The theatrical anime SEKIRO: NO DEFEAT, based on FromSoftware's action-adventure game SEKIRO: SHADOWS DIE TWICE, will screen nationwide for a limited three-week period starting September 4. The detailed story flow has not been revealed, but the trailer and synopsis confirm shared basic settings with the game, though the anime may not follow the same story.
Aug 9
Sega and Colorful Palette began the Project Sekai Colorful Stage! feat. Hatsune Miku event Leap Beyond The Limits! and the Piercing Light Gacha on August 9, 2026. The event runs through August 15, with an after-live on August 15 and 16. The gacha features three new ★4 members with live costumes.