Mari Banri

The main villain in the second half of volume 1. Growing up in a dual-income family, she didn't get much love and was taking school life as a comfort, but her homeroom teacher couldn't hold on for a few days, and she was not able to attach her affection to school because she belonged to 1-A. However, she doesn't bully others, she cuts her wrist to get Jimmy's attention. However, since Jimmy rarely interacts with each other, she usually appears with Momo.