'Diamond no Ace: Act II Second Season' Unveils Additional Cast, Staff, Theme Songs, Second Promo

Diamond no Ace: Act II Second Season Unveils New Details
Official Announcement of Broadcast and Content
The official website for the Diamond no Ace anime series recently made significant announcements regarding the upcoming Diamond no Ace: Act II Second Season. These revelations included additional cast members, an expanded staff list, details on the new theme songs, and the debut of a second promotional video. These updates build anticipation for the continuation of the acclaimed baseball anime.
Premiere Date and Network Information
The television anime series, which adapts Yuuji Terajima's popular sequel manga, is scheduled to commence its broadcast on April 5. Viewers will be able to watch the new season across multiple platforms. The series will air on TV Tokyo's six affiliate stations, in addition to AT-X and various other broadcasting networks. This widespread availability ensures that fans can easily access the latest episodes.
Introduction of a New Character Voice Actor
The cast of Diamond no Ace: Act II Second Season welcomes a new voice talent. Toshiya Miyata has joined the ensemble to portray the character Koji Chimaru. This addition promises to bring fresh dynamics to the series as the story progresses.
Detailed Production Staff Additions
The production team for Diamond no Ace: Act II Second Season has been further detailed, highlighting key personnel in various roles. For the Script writing, the team includes:
- Kenji Konuta, known for previous contributions to Major 2nd 2nd Season
- Junichi Fujisaku, recognized for work on Garugaku: Sei Girls Square Gakuin
- Takahiro Udagawa
Art Direction is being handled by Kenji Katou, whose credits include Tsuihousha Shokudou e Youkoso!. Photography responsibilities are assigned to Atsushi Satou from Studio Shamrock, also noted for Yozakura-san Chi no Daisakusen. Color Design is managed by Nao Satou, who previously worked on Gekkan Mousou Kagaku. Editing for the series is undertaken by Toshihiko Kojima, known for his work on Ahiru no Sora.
Theme Song Artists and Titles Revealed
Musical artists performing the opening and ending themes for Diamond no Ace: Act II Second Season have been announced. Baby Canta is performing the opening theme, which is titled "Let's Go Crazy." The ending theme, "NUMBER," is performed by SUPER DRAGON, an artist known for their work on Kizoku Tensei. Both of these theme songs are prominently featured and previewed within the second promotional video that was released.
Core Creative Team
The primary creative leadership guiding the Diamond no Ace: Act II Second Season has also been reaffirmed. Hideaki Ooba, known for directing Kai Byoui Ramune, is helming the anime production at OLM. Kenji Konuta, who has a history with the Diamond no Ace: Act II project, is managing the series composition. The character designs for the new season are crafted by Yasukazu Shouji, whose past work includes Isekai Shokudou 2. Composing the musical score for the series is Hajime Hyakkoku, recognized for his contributions to New Game!.
The Legacy of the Manga Series
The Diamond no Ace universe originates from Yuuji Terajima's acclaimed baseball manga. The original manga series was serialized in Weekly Shounen Magazine, running from May 2006 until July 2015. Over its serialization, the manga was compiled into 47 volumes. Following the conclusion of the original series, Terajima began serializing the sequel manga, Diamond no Ace Act II, in the subsequent month. This sequel manga concluded its 16-year run in October 2022. During the original manga's run, the fourth and fifth volumes were released bundled with two original video anime episodes in 2016, offering additional animated content. Furthermore, a sequel manga side story, titled Diamond no Ace Act II Gaiden: Teitou vs. Ugumori, had its serialization from December 2024 to March 2025.
English Language Publishing Details
For readers in English-speaking regions, Kodansha Comics USA holds the license for the original Diamond no Ace manga. The digital publication of the series by Kodansha Comics USA commenced in March 2017. The 47th and final volume of the original manga was released in January 2024. Additionally, K-Manga provides digital English publication of the manga, making the series accessible to a broader international audience.