Sukeban Deka

After serving time in a juvenile detention center, troubled teenager Saki Asamiya gets an opportunity to clear her name and potentially save her mother from a looming death sentence by going undercover as a cop. Equipped only with a unique yo-yo, her mission is to return to her high school and uncover the truth behind the corruption and unexplained student deaths. To solve the mysteries plaguing her school, she must face the influential Mizuchi sisters, who seized control after her earlier expulsion.