Yoshitake's older sister is one of the eyeless sister trio, and she was voiced by Ami Koshimizu.
The faceless, short-haired sister of Yoshitake who does not get along with her brother. Strong and violent, she is the ringleader of the girls who shave off Motoharu's beard. She is also highly concerned about not getting a boyfriend. She seems to have a crush on Hidenori's older brother, Yūsuke, who calls her "Tanaka", although it is later revealed she only wanted to date him in desperation of finding a boyfriend, claiming she could not imagine kissing him.