Mahiru Suruga - Peridot

Mahiru Suruga is the terror of Fuga High School — she’s never lost a fight and refuses to get involved in other people’s business. But when a young teacher becomes the victim of a student’s blackmail scheme, she just can’t stand by and watch! And when Mahiru herself is suspected of being the mysterious girl who’s been attacking the city’s thugs, everything starts to spiral out of control!