Ayame Yatsuhashi

Ayame is the school idol. She is the daughter of an exceedingly wealthy family and after seeing Hachibe defeat a local gang leader she decides to date him. Hachibe seeing no parts on her rejects her. Not until later does Hachibe find out that she has the ideal waist he is going for. Not willing to give up she decides to move into the dorm to make Hachibe hers.