Ume Shiraume

Ume Shiraume is the student council president. She constantly abuses and slaps Satō due to her jealousy of Hana for whom she has feelings, despite also being prone to flirt with other girls like Ayame.

Appearance
Ume has long, dark hair and blue eyes. She is often seen wearing her school uniform.

Personality
She usually gets very angry with Satō for his close relationship with Hana Oshiroi and feels jealous of him. She will usually express her emotions through violence. Despite this, she usually speaks in a soft, calm manner. Her unusual behavior towards girls makes you think that she is a lesbian; she treats Hana and Ayame rather kindly, which often results in disturbing moments for the other two girls.