Ёко Кано

Тайсукэ's elder sister. She works as a school nurse at his school. Due to the frequent fights at school, Taisuke often sees her in the medical room. She raised Taisuke after the death of their parents. She pays for her brother's education. She makes Taisuke clean the apartment and cook, arguing that she is the one earning money for the family. She is a good sister and always trusts her younger brother.