Hiura Waka

Shuuya's girlfriend. She is the only daughter of Shusaku Mikami, a famous painter.

Her father died by suicide two years ago, it was a result of an extramarital affair with a woman, and Waka is aware of this.

Since she was a child, she has seen her father sleep around with many women, and her mother constantly crying due to her father's behavior. She started referring herself with "boku" and began dressing up like a boy.

She has more male friends than female friends.