Misc Information

Jersey Number Series

Special Websites

To commemorate the release of volume 19, the After School Battery online short stories were released. It covers the usual group and their antics for a day in four chapters corresponding to the time of the day. The timeline is set to shortly before the match with Teitoku in their second year. A special printed pamphlet containing chapter 1 was also included for those who purchased volume 19 in store. It is available in limited copies and only available at participating stores.

To commemorate the release of volume 20, the Boukyaku Battery Cho-Zetsu Hyper Love&Peace Seishun Memorial Big Party website was unveiled. It features animations (with sound effects!), recipes from Toudou, music playlist by Chihaya and key scenes from the manga. A memorial illustration book was made available in limited copies for those who purchased volume 20 in store.

To commemorate the release of volume 21, a set of 5 bookmarks will be made available in limited copies for those who purchased volume 21 in store.

Stage Play

On April 2, 2025, the Boukyaku Battery Stage Play was announced to be in production. It is currently scheduled to take place in October 2025, with showings in both Tokyo and Osaka region.

Kiyomine Haruka will be played by Tanaka Ryousei (田中涼星).
Kaname Kei will be played by Aramaki Yoshihiko (荒牧慶彦).

Links

Videos

【AMV/MAD】忘却バッテリー【会心の一撃】

This is a fan-made animated video by Nanatsuki on YouTube that summarizes the series with spoilers up until volume 11. It was recommended by the Mikawa-sensei herself and was promoted on her Twitter/X account.

Official Promotional Video for Volume 11 manga release

This is a promotional video published by Shuiesha/Shonen Jump to promote the release of volume 11 of the manga.

Furuta Atsuya and Uehara Kouji enjoys “Boukyaku Battery” - “It’s stylish and cool” “I love the gags”

Original title: 古田敦也、上原浩治が野球アニメ『忘却バッテリー』に夢中　「スタリッシュでカッコいい」「ギャグにハマってます」

This is a video published by Sportiva (a sports magazine published by Shueisha) with Furuta Atsuya (retired professional baseball player - catcher) and Uehara Kouji (retired professional baseball player - pitcher), promoting the Boukyaku Battery anime and manga. They discuss the characters and talk about what they enjoy from the series.

If you prefer an edited transcript, there is also a written article available. Dated May 15, 2024