Robogirl Revenge

Ami is a young cute hiigh school student who is trying to escape her dark past. She is gregarious. She looks after her younger brother alone their parents are both deceased and after school practices her jump shot in the school gym. Unbeknowst to Ami her brother is fodderfor the local school gang led by the young punk heir to a Yakuza family. He is killed by the bullies right in front of Ami. Something snaps... Ami becomes a killing machine seeking revenge on the class bullies. Uunfortunately she loses her arm during the fight and the Yakuza punk leader narrowly escapes. However Ami soon retrfittedwith a high powered machine gun for an arm and continues on her bloody path of vengeance. She soon encounters more violent and insane villains some equipped with zanier devices such as the drill bra. As she takes on the entire Yakuza clan.