A math teacher unwittingly formulates a love triangle with two diabolical variables divided over him. Unhappy teaching at an all boys school, the heterosexual Amamiya entertains his bitterness by toying with an adoring student. The surprising interference of the boy's fierce former friend, however, places Amamiya at the center of a wildly twisted tug-of-war. Teacher and student: a taboo love affair gone… comedy?