Character: Zhi Sha (ちしゃ) Resume: You Kokura.
Introduction: Everyone who lives in a mansion is like a "big sister". Cheerful and lively, often disciplining worrying children, also dubbed "mother". In the mansion, I am mainly responsible for helping みちる, playing tricks on the protagonist and being kind to him. I like learning mathematics, and I have a lot of knowledge in this field. Sometimes I say something meaningful.
original drawing