Ace of Diamond act II -Second Season- is airing its second cour on TV Tokyo and affiliated channels, with the West Tokyo Tournament final against Inashiro Industrial underway. Merchandise and tie-in campaigns around the series run through late 2026 and into 2027.
Ace of Diamond act II -Second Season- returned for its second cour on October 11, 2026, on TV Tokyo and its affiliated channels, with Netflix streaming in Japan after broadcast. The second cour opens on the West Tokyo Tournament final against Inashiro Industrial. GLAY performs the opening theme "NEVER SAY NEVER AGAIN" and OxT performs the ending theme "ROAD TO BE BLUE." Hideaki Oba is listed as director. Before the premiere, a special program pairing the anime with former NPB and MLB slugger Hideki Matsui aired October 4, with Ryota Osaka, the voice of Eijun Sawamura, as MC.
The cast additions and tie-ins around the broadcast have been steady. Daisuke Sakuma of Snow Man voices Shinichiro Saotome, and Masayoshi Oishi, who performs the ending theme as part of OxT, said on X that his March 2026 wish to work on the same anime as Sakuma came true. JR Tokai's Oshi Tabi campaign ran from August 3 to September 30, offering Tokaido Shinkansen passengers original voice messages from six characters, a random original fan, and a smartphone wallpaper at the Koshien History Museum.
Merchandise has moved through several formats since the fall. A K2C Lottery with band-themed artwork of six characters opened October 16 and ran through November 6 at 770 yen per draw. A Rose collection from Team Entertainment, built on one seated illustration of five characters in colored suits, takes pre-orders for late February 2027. Good Smile Arts Shanghai opened preorders for a re-release of its Kazuya Miyuki Nendoroid, listed at 6,717 yen with an April 30, 2027 release date. The Large "Ace of Diamond act II" Original Art Exhibition POP UP STORE runs at Tobu Utsunomiya from December 17, 2026 to January 3, 2027. Pizza-La sells a collab pizza from November 12 to December 27, 2026, pairing Sawamura's Numbers Mix with Mei Narumiya's Classic Pepperoni & Mascarpone.
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Pizza-La will sell an Ace of Diamond act II collab pizza in limited quantities from November 12 to December 27, 2026. The P-size half & half pairs Eijun Sawamura's Numbers Mix with Mei Narumiya's Classic Pepperoni & Mascarpone. Each set includes a collab-exclusive sleeve and one random acrylic keychain from six characters: Sawamura, Satoru Furuya, Kazuya Miyuki, Haruichi Kominato, Yoichi Kuramochi, and Narumiya.
Good Smile Arts Shanghai has opened preorders for a re-release of its Nendoroid of Kazuya Miyuki from Ace of Diamond actII -Second Season-. The painted, posable figure is about 100mm tall and comes with a dedicated stand, three expression parts (smiling, serious, having fun) and optional parts including glasses, sports sunglasses, a bat, a ball and a catcher's mitt. Amazon.co.jp lists it at 6,717 yen with a release date of April 30, 2027.
The K2C Lottery for the Ace of Diamond act II -Second Season- anime opened at 12:00 on October 16, 2026 on the K2C LUCK site, with draws at 770 yen each through November 6. New band-themed artwork shows Eijun Sawamura, Satoru Furuya, Kazuya Miyuki, Yoichi Kuramochi, Haruichi Kominato and Koushu Okumura holding instruments, used across live T-shirts, face towels, acrylic stands, keychains and can badges.
The staff for Ace of Diamond Act II Second Season released the main promotional video and announced the theme songs for the anime's second cours on Tuesday. GLAY performs the opening theme "NEVER SAY NEVER AGAIN," and the duo OxT, made up of Masayoshi Oishi and Tom-H@ck, performs the ending theme "ROAD TO BE BLUE." The second cours premieres October 11 on TV Tokyo and its affiliated channels, and on AT-X, with Netflix streaming in Japan after broadcast.
Masayoshi Oishi and Snow Man's Daisuke Sakuma will co-star in the TV anime Ace of Diamond act II -Second Season-, airing in October. Oishi shared on X that his dream came true, recalling his March post wishing to work on the same anime as Sakuma. Sakuma voices Shinichiro Saotome.
The Ace of Diamond act II anime is collaborating with JR Tokai's Oshi Tabi campaign from August 3 to September 30. Passengers on the Tokaido Shinkansen can access original voice messages from six characters, receive a random original fan, and get a smartphone wallpaper at the Koshien History Museum.