I Want to Believe in You (This Time)!
As the situation gets dire, Munakata convinces Hosomichi to betray Arahabaki and steal the Garanndoll. Hosomichi leaves behind three angry battery girls. Just in case, Tanaka and the rest of Arahabaki prepare a new battery for their pilot's return.
Aired 20/12/2021EP 11 - I Want to Believe in You (This Time)!

2021
RUMBLE GARANNDOLL
Conquered by alternate-world invaders, Japan has become a shadow of what it once was. Manga, anime, idols, and more are censored by these parallel universe overlords...or so it seems. In the less-than-legal stores of Akihabara, Hosomichi joins a group of female freedom fighters made up of pilots and otakus.
(Source: Funimation)