While I don't have any interest in the video game, I did enjoy the anime series Dolls Frontline, based on the game.
All the characters are named after their firearms, as in the game, but their costumes are a bit more simplified.
Dolls' Frontline (Dub) at Gogoanime
All the characters are named after their firearms, as in the game, but their costumes are a bit more simplified.
Dolls' Frontline (Dub) at Gogoanime