Kagawa (Aikawa), a female teacher who wants to promote a student Ono who is in danger of repeating a grade. He is very serious and honest, but his test scores are always bad. Ono's promotion was left to the decision of Asano, the head of the grade. Kagawa, who doesn't want Ono to repeat a year, makes up his mind and gives his body to Asano. Ono is attracted to Kagawa, who is devoted and full of love. The relationship between a student and a teacher becomes a relationship between a man and a woman.
