Image: Yuji Terajima, Kodansha / Produktionskomitee 'Daiya no A actII -SS-' / TV Tokyo
AMBot | 08/15/2026 | Reading Time: 4 Min.
The official YouTube account for the anime adaptation of Yuji Terajima's baseball manga 'Ace of Diamond' released a teaser PV for the second cour of 'Ace of Diamond actII -Second Season-' on August 15, 2026. It is the first moving preview of the new episodes, which will premiere in October 2026 on TV Tokyo's six-station network, as well as on AT-X and other channels. Previously, the staff had only announced a teaser visual and the theme songs.
The clip sets the stage for the final of the summer round in the West Tokyo tournament, where Seidou High School faces Inashiro Industrial High School for the second consecutive time. It begins with images from the previous year: after the defeat against Inashiro, Seidou was denied participation in Koshien, and the players shed tears of disappointment. Now, the final is being replayed. Seidou seeks revenge, while Inashiro fights for a third consecutive Koshien appearance – a duel that the production describes as a summer that neither team wants to give up.
The teaser also shows the starting situation on the mound: For Seidou, Satoru Furuya starts, with Eijun Sawamura planned for relief. On the opposing side, Inashiro's ace Mei Narumiya opens the game. Seidou had previously prevailed in the semifinals against Ichidai San High School, thus securing their spot in the final.
Already at the end of June 2026, after the 13th episode of the first cour, the start of the second cour was announced for October. The teaser visual released at that time depicted Seidou's catcher Kazuya Miyuki and Inashiro's ace Narumiya facing off – two rivals who have known each other since their time together in Little League. Miyuki is voiced by Takahiro Sakurai, and Narumiya by Yuki Kaji. Other voice actors include Ryota Osaka as Sawamura, Nobunaga Shimazaki as Furuya, Natsuki Hanae as Haruichi Kominato, and Shintaro Asanuma as Yoichi Kuramochi.
For the production of the second cour, studio OLM (Team Yoshioka) is responsible, having taken over the series from Madhouse. Direction is by Hideaki Oba, series composition by Kenji Konuta, character design by Yasukazu Shoji, and music by Hajime Hyakkoku. GLAY has been announced as the performer for the opening theme and OxT for the ending theme; both have previously contributed music to the franchise. The first cour, in contrast, used 'Let's Go Crazy' by Baby Canta as the opening and 'NUMBER' by SUPER★DRAGON as the ending.
In Japanese television, the second cour will air from October 2026 on TV Tokyo and AT-X. Internationally, Crunchyroll streams the series, while in Japan, Netflix provides the episodes after the TV broadcast.
'Ace of Diamond' tells the story of Eijun Sawamura, who is accepted into the prestigious Seidou High School and, with his teammates, aims for the national summit of high school baseball. The manga by Yuji Terajima was serialized in Kodansha's 'Weekly Shonen Magazine' starting in 2006; the sequel 'actII' was published there from 2015 to 2022. The first anime adaptation aired from 2013 to 2016, with 'actII' following in 2019/2020. 'Ace of Diamond actII -Second Season-' began in April 2026 with its first cour and continues the story about six years after the last season.
The clip sets the stage for the final of the summer round in the West Tokyo tournament, where Seidou High School faces Inashiro Industrial High School for the second consecutive time. It begins with images from the previous year: after the defeat against Inashiro, Seidou was denied participation in Koshien, and the players shed tears of disappointment. Now, the final is being replayed. Seidou seeks revenge, while Inashiro fights for a third consecutive Koshien appearance – a duel that the production describes as a summer that neither team wants to give up.
The teaser also shows the starting situation on the mound: For Seidou, Satoru Furuya starts, with Eijun Sawamura planned for relief. On the opposing side, Inashiro's ace Mei Narumiya opens the game. Seidou had previously prevailed in the semifinals against Ichidai San High School, thus securing their spot in the final.
Already at the end of June 2026, after the 13th episode of the first cour, the start of the second cour was announced for October. The teaser visual released at that time depicted Seidou's catcher Kazuya Miyuki and Inashiro's ace Narumiya facing off – two rivals who have known each other since their time together in Little League. Miyuki is voiced by Takahiro Sakurai, and Narumiya by Yuki Kaji. Other voice actors include Ryota Osaka as Sawamura, Nobunaga Shimazaki as Furuya, Natsuki Hanae as Haruichi Kominato, and Shintaro Asanuma as Yoichi Kuramochi.
For the production of the second cour, studio OLM (Team Yoshioka) is responsible, having taken over the series from Madhouse. Direction is by Hideaki Oba, series composition by Kenji Konuta, character design by Yasukazu Shoji, and music by Hajime Hyakkoku. GLAY has been announced as the performer for the opening theme and OxT for the ending theme; both have previously contributed music to the franchise. The first cour, in contrast, used 'Let's Go Crazy' by Baby Canta as the opening and 'NUMBER' by SUPER★DRAGON as the ending.
In Japanese television, the second cour will air from October 2026 on TV Tokyo and AT-X. Internationally, Crunchyroll streams the series, while in Japan, Netflix provides the episodes after the TV broadcast.
'Ace of Diamond' tells the story of Eijun Sawamura, who is accepted into the prestigious Seidou High School and, with his teammates, aims for the national summit of high school baseball. The manga by Yuji Terajima was serialized in Kodansha's 'Weekly Shonen Magazine' starting in 2006; the sequel 'actII' was published there from 2015 to 2022. The first anime adaptation aired from 2013 to 2016, with 'actII' following in 2019/2020. 'Ace of Diamond actII -Second Season-' began in April 2026 with its first cour and continues the story about six years after the last season.
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This article was originally published in German. It was translated with technical support and editorially reviewed before publication.
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