井達桜子
from Delinquent High School Girl Kuzuhana-Chan
Sakurako is a female high schooler in the Business Class (1-B), a class Saotome describes as "full of delinquents". After looking for Saotome to sort of bully him, he ends up sewing a hole she had on her uniform and she becomes more friendly towards him.

Delinquent High School Girl Kuzuhana-Chan
Saotome-kun is admitted into a school full of gyarus and meets a delinquent girl named Hanako Kuzuryu.