A juvenile delinquent code-named Saki Asamiya is taken in by the government and forced to fight crime to redeem her actions. She is sent to various high schools to infiltrate and neutralize gangs and other forms of crime as a police officer using her metal yo-yo badge as a weapon.
Yuki Saito
Saki Asamiya
Kôji Naka
Jin Kyoichiro
Yasuyoshi Masuda
Nowake Sanpei
Hiroyuki Nagato
Dark Commander
Sei Hiraizumi
Numa Juzo
Hitomi Takahashi
Remi Mizuchi
Yasuko Endō
Ayumi Mizuchi
Natsumi Asano
Kumi Mizuchi
