Sayaka Shimizu

Sayaka is a classmate of Masayuki, who lives with him at the same time. She is madly in love with him and spends most of her time imagining scenarios between them, often taking these stories for reality. At home, she takes care of the housework. Her parents get along very well with Masayuki's. It was them who asked Sayaka to look after their son during their business trip abroad. Sayaka is very attached to Masayuki and see other girls as rivals. When a girl make advances to him, Sayaka becomes more petty and does not hesitate to belittle her opponents. Her biggest rival is Yuka, who shares the same feelings for Masayuki. After a confrontation to choose who was Masayuki's favorite, the two girls both decided to pretend a truce so they could hit the other discreetly afterwards. Sayaka appreciates the relationship that Mai and Yuka have: thus, Yuka is getting closer to Masayuki. Initially, Sayaka also considered Anna a rival, then she finally accepted her and became close to her.