Mika Mizuki: used to have long braided aqua blue hair styled into pigtails and was originally a member of the cooking club but was sadly bullied and kick out of the club

Before becoming a delinquent

Due to the bullies spreading rumors about mika chan now she's a violent person and enjoys hanging out with the delinquents. But has strong feelings for umeji kizuguchi

After becoming a delinquent

Umeji kizuguchi: used to be bullied along with the rest of the delinquents is now falls instantly in love with mika chan but may have to hid this from her and the rest of the delinquents including osoro shidesu