Tsumugi Toudou

Оригінальне ім’я: 藤堂 つむぎ

A third-year Yamabiko South Academy student, she is Kazuma's senpai and also works in Yorozuyo. She is Koyori and Kasane's older sister. Her first meeting with Kazuma was in the bathroom of Yorozuyo – she was cleaning the bath when he walked in.