Show Me the Money

Dahasu Zuhn's father has just gotten into debt and now his son, Dahasu Zuhn, is in poverty. He meets a girl called Amei Jin who's super strong and has a reason to get money. Dahasu also attends the High School, Freedom High School where he can get in for free. He meets Jin at the school and learns that she needs money for a special reason. Now he is her slave because he owes her 20,000 yen. Whatever shall Zuhn do?