# Ace of Diamond Act II anime release details

> Live situation record from CLSTR: https://clstr.news/situations/ace-of-diamond-act-ii-anime-release-details
> Updated: 2026-09-16T02:00:00.000Z. Sources: 4. Developments: 2.

The anime series Ace of Diamond Act II has announced that the second part of its second season will premiere on October 11, 2026, beginning with episode 14.

Initial announcements confirmed that Daisuke Sakuma has joined the voice cast as Shinichiro Saotome. Subsequent updates revealed the musical themes for the upcoming segment, featuring the opening theme ‘NEVER SAY NEVER AGAIN’ by the rock band GLAY and the ending theme ‘ROAD TO BE BLUE’ by the duo OxT. 

The plot follows the Seidou High School baseball team during the spring invitational tournament at Koshien Stadium, specifically focusing on the character Sawamura returning to the mound to face opponents such as Masamune Hongo.

## Timeline

### 2026-09-16: Ace of Diamond Act II announces new theme songs and release date

The anime Ace of Diamond Act II is set to return on October 11, featuring new theme songs by GLAY and OxT as the Seido baseball team enters the spring invitational tournament.

2 sources. https://clstr.news/cluster/ace-of-diamond-act-ii-announces-new-theme-songs-and-release-date

### 2026-09-08: Ace of Diamond Act II announces October 2026 premiere

Ace of Diamond Act II will return on October 11, 2026, with Daisuke Sakuma joining the cast as Shinichiro Saotome for the second part of the second season.

4 sources. https://clstr.news/cluster/ace-of-diamond-act-ii-announces-october-2026-premiere

---
Cite as: Ace of Diamond Act II anime release details. CLSTR, https://clstr.news/situations/ace-of-diamond-act-ii-anime-release-details