The Kaiju No. 8 franchise continues to expand with a new short anime, a game, and a manga that has concluded, while the unrelated series Kaiju Girl Caramelise and the song 'Kaiju' by Sakanaction have also seen recent developments.
The Kaiju No. 8 franchise remains active across multiple media. The manga by Naoya Matsumoto ended in July 2025 with Chapter 129, collected into 16 volumes. The main TV anime aired 23 episodes between April 2024 and September 2025, plus a special episode focused on Soshiro Hoshina. A new original short anime, Kaiju No. 8: Narumi's Week at Work, was announced in December 2025 alongside the main TV anime's final arc. It received a main visual and a Fall 2026 release window. Production I.G is handling animation again, with Studio Khara returning for creature designs. The short is the second in the franchise after Hoshina's Day Off. The game adaptation, Kaiju No. 8 THE GAME, launched worldwide on August 31, 2025, after exceeding 750,000 pre-registrations. A review published in June 2026 noted the game is a free-to-play turn-based RPG that expands the world through an original plot and original characters, and that it held half-anniversary events in February 2026.
Separately, the manga series Kaiju Girl Caramelise by Spica Aoki is being adapted into a TV anime that will premiere on July 2, 2026. The opening theme is by METANICK, and the ending theme is by HoneyWorks feat. Hakoniwa Lily. A new key visual and main PV were also released. The manga's latest four volumes, Volumes 5 through 8, revealed that the protagonist Kuroe is not a human with a monster quirk but a kaiju born from an egg, with her human form being an adaptation.
In music, the song 'Kaiju' by Sakanaction, the theme song for the TV anime Chi: Chikyuu no Undou ni Tsuite, won Best Anime Song at Music Awards Japan 2026 on June 13. It was the band's first anime theme song. Lead vocalist Ichiro Yamaguchi said during the ceremony that the manga's author, Uoto, pushed for the band to be involved. Sakanaction also won Song of the Year, Best Rock Song, Best Music Video, and Best Rock Band/Solo Artist, among other awards, totaling eight wins.
Synthesized by Yomimono from the cited Yomimono stories below, each itself sourced, then editorially reviewed. Every fact links the story it came from.
Structured graph also available as JSON at /public/entities/kaiju.
CC BY 4.0.
Episode 4 of Kaiju Girl Caramelise introduces Kotaro, Rinko's old cryptid-hunting partner and paramour, who immediately asserts a controlling, paternal role over Kuroe. The review notes his behavior as archetypal patriarchal projection and contrasts him with Minami. The episode also recycles the structure of last week's outing, raising concerns about the show's pacing and the suspension of disbelief required for Kuroe's secret.
On July 20, 2026, numerous anime, manga, and game franchises posted Marine Day greetings on social media. The Japanese national holiday, which honors the ocean and marks the end of the rainy season, prompted official accounts and creators to share beach-themed illustrations, character birthday messages, and promotional content. Among the posts, the official Kaiju No. 8 account promoted an upcoming original short anime titled "Narumi's Weekday" with a pun on the character's name and the kanji for sea. The MAPPA studio released a new illustration by Rie Nishimura for the soccer series DAYS, which is celebrating its 10th anniversary in 2026. The Sound! Euphonium account reminded followers that the film Sound! Euphonium: The Final Part 2 opens on September 11. Classroom of the Elite noted that July 20 is also the birthday of character Honami Ichinose. The That Time I Got Reincarnated as a Slime account promoted the streaming of its movie Tears of the Azure Sea on U-NEXT. The Chiikawa movie account promoted the July 24 release of Eiga Chiikawa: Ningyo no Shima no Himitsu. Voice actor Yuki Kaji posted a personal greeting, and the band Orange Range shared a summer song. The roundup, compiled by Anime News Network, spanned three articles covering dozens of entries.
The first three episodes of Kaiju Girl Caramelise have earned a positive review from Anime News Network, with community scores averaging above 4. The review praises the series for its strong writing, emotional characterization, and its use of a kaiju transformation as a metaphor for insecurity. Screenwriter Yuniko Ayana and mangaka Spica Aoki are credited for the effective storytelling.
Crunchyroll announced English dub casts and premiere dates for four anime series on Thursday: Kaiju Girl Caramelise, The Exiled Heavy Knight Knows How to Game the System, Bungo Stray Dogs Wan! 2, and Hana-Kimi season 2. The dubs feature returning and new voice actors, with staff credits provided for each production.
Anime Feminist's review of Kaiju Girl Caramelise's first episode highlights how the series uses Kuroe Akaishi's involuntary kaiju transformation as a metaphor for disability and queerness. The episode establishes that strong emotions, especially her crush on Arata Minami, trigger her monstrous form, forcing her to suppress her feelings to maintain a normal life.
In an interview with Anime News Network, the director, character designer, and voice actor for Kuroe discuss the themes of the Kaiju Girl Caramelise anime adaptation. The team explains how the series uses a teenage girl transforming into a giant kaiju when she falls in love as a metaphor for adolescent insecurity and the chaotic feelings of romance.
Japan XR Center has begun selling acrylic stands of monsters from the VR attraction 'Kaiju no Sumika VR' at its Fukuoka store. The lineup includes Baltan, Pigmon, and Gomora, each priced at 1,980 yen. The attraction lets players explore a monster paradise in VR.
The Japan Culture and Entertainment Industry Promotion Association (CEIPA) held the Grand Ceremony for Music Awards Japan 2026 on June 13 at Toyota Arena Tokyo. Sakanaction's "Kaiju," the theme song for the TV anime "Chi: Chikyuu no Undou ni Tsuite," won Best Anime Song. It was the band's first anime theme song. Lead vocalist Ichiro Yamaguchi said during the ceremony that the manga's author, Uoto, pushed for the band to be involved. Sakanaction also won Song of the Year, Best Rock Song, Best Music Video, and Best Rock Band/Solo Artist, among other awards, totaling eight wins. Kenshi Yonezu's "IRIS OUT" from the "Chainsaw Man - The Movie: Reze Arc" won Best J-POP Song and swept Best Japanese Song in Asia, Europe, North America, and Latin America. Mrs. Green Apple won Artist of the Year for the second consecutive year, plus Best J-POP Artist and the Fandom Special Award. HANA won New Artist of the Year. The Best Original Score for Animation went to the "Lazarus" soundtrack by Kamasi Washington, Bonobo, and Floating Points. Ado won Largest Live Audience (International). The awards event, now in its second year, had over 70 categories voted on by more than 5,000 music industry professionals.
The TV anime adaptation of Spica Aoki's manga "Otome Kaiju Caramelize" will premiere on July 2. The opening theme is by METANICK, and the ending theme is by HoneyWorks feat. Hakoniwa Lily. A new key visual and main PV were also released.
Voice actor and ADR assistant director Ben Stegmair appeared on the podcast Something Genuine Season 2, Episode 2. He discussed his early focus on voice acting, the mentors who shaped his career, and his role as Yuru in Daemons of the Shadow Realm. Stegmair also shared his Mt. Rushmore of manga and his ambition to create original comics.
A new review of Kaiju No. 8 THE GAME, a free-to-play turn-based RPG based on the hit manga and anime, highlights how the game expands the world through an original plot and original characters. The game has been available since August 2025 and held half-anniversary events in February 2026.
The original short anime Kaiju No. 8: Narumi's Week at Work has received a main visual and a Fall 2026 release window. The short was announced in December 2025 alongside the main TV anime's final arc. It is the second Kaiju No. 8 short after Hoshina's Day Off. Production I.G is handling animation again, with Studio Khara returning for creature designs. The main TV anime aired 23 episodes between April 2024 and September 2025, plus a special episode focused on Soshiro Hoshina. The Kaiju No. 8 manga by Naoya Matsumoto ended in July 2025 with Chapter 129, collected into 16 volumes. Viz Media publishes the English edition. The game adaptation, Kaiju No. 8 THE GAME, launched worldwide on August 31, 2025, after exceeding 750,000 pre-registrations.
A new anime short titled 'Narumi's Week at Work' will premiere this fall. The story, conceived by Kizuku Watanabe, follows Gen Narumi during his work week. Returning staff includes director Shigeyuki Miya, Production I.G, and voice actor Kōki Uchiyama as Narumi.
The latest four volumes of Spica Aoki's Kaiju Girl Caramelise shift from metaphor to literal truth: Kuroe is not a human with a monster quirk but a kaiju born from an egg, and her human form is an adaptation. The revelation upends her identity and relationship with Minami.