No Denchi Shoujo — Gyakuten Sekai

: A former hikikomori (shut-in) and genius hacker who pilots Cat Three while hiding inside a cardboard box due to extreme shyness. Viewing Guide & Highlights Gyakuten Sekai no Denchi Shoujo - Rumble Garanndoll Wiki

Gyakuten Sekai no Denchi Shoujo (English title: Rumble Garanndoll ) is a 2021 original anime series produced by Studio Lerche . Set in a world where Japan has been conquered by a parallel-world military force, the story follows a group of rebels who use "otaku culture" as their ultimate weapon. Gyakuten Sekai no Denchi Shoujo

: A former underground idol who acts sweet in public but is bossy and foul-mouthed behind the scenes. She fuels Rabbit Two. : A former hikikomori (shut-in) and genius hacker

: The protagonist and pilot of Shark One. He works as a host to pay off a massive family debt and is initially cynical and hollow. He eventually finds his spark again by motivating the Battery Girls. : A former underground idol who acts sweet

: The primary Battery Girl for Shark One. She is a massive fan of the tokusatsu (superhero) series Zaburn and fights with a hot-blooded sense of justice.

The story kicks off in 2019, just as Japan is transitioning into a new era. A rift opens to a parallel world called "Shinkoku Nippon," an alternate version of Japan that maintained its militaristic "Showa" era.