ビィビィ

BB is a character ressembling Sakura Matou in Fate/Extra CCC and is one of the antagonist in the game.

BB is a backup AI created by Sakura containing her feelings for Hakuno Kishinami. She is said to have created the Sakura Labyrinth , and later created both Meltlilith and Passionlip. who resemble her and Sakura./