Nishimiya suddenly gets confessed to by Yoshioka, the smartest student in her grade, but she is so preoccupied with her own entrance exams that she declines his proposal! Unable to bear seeing Yoshioka unable to concentrate on her studies, teacher Furukawa directs his anger at Nishimiya! Nishimiya is forced to have a relationship with Yoshioka, afraid of Furukawa's power and unable to resist! His demands escalate to the point of being excessive, even with Murata-sensei! Being blackmailed and threatened by a teacher who holds an absolute position, something changes within Nishimiya, who is at the bottom of despair!