ATID-560 The health teacher Ayuko's scandalous love affair was witnessed by the student Hinano Okada.

Ayuko, a health teacher, was asked by the vice principal to take on the role of the school's occupational doctor. Unable to refuse, he accepted the offer without any confidence as he was required to closely follow Yazawa, a physical education teacher. Yazawa was the one who immediately approached Ayuko for advice, confessing his own unusual sexual desires, leaving Ayuko confused.