Machine Girl

Japanese movie about a girl whose brother gets killed by a gang of bullies. The lead bully is the son of a yakuza boss, so when she tries to seek revenge, the yakuza family starts killing people left and right. Not just killing, but torturing and slicing off body parts. And of course, there’s all kinds of crazy fakey blood spraying all over the place. The sister gets her arm cut off by the yakuza before escaping their torture chamber. When she gets taken in by her brother’s friend’s family (her brother’s friend was also killed), they train her to be a fighting machine and the dad builds her a fake arm to replace her missing one. Except the fake arm is a giant machine gun. Then the yakuza’s ninjas show up in red track suits (you can tell their ninjas because they have shrouds on their heads and have throwing stars. It’s kind of hokey in a comic book sort of way, but it’s not terrible, if you can get past the blood spraying and eye gouging and such.