Sayaka Mizukoshi

A young teacher. After being sexually assaulted by one of her students, she can't control herself anymore and is constantly excited, even in the most inappropriate situations. She confides her issue to Doctor Fubuki, who offers to "help" curing her obsession for sex in questionable ways. She later tries to do the same to student Misuzu Kawamura, who looks up to her and is having love troubles.