Incest sweat: "A hot body, a sweaty uterus, a parent-child instinct that cannot be held back"

His mother, Seika, is inspired by television and ends up having his son teach him martial arts. The son is worried about his mother and plots to use harsh ground techniques to reduce his interest in martial arts. As my son intended, he succeeded in losing his mother's motivation, but his close-up view of his mother in sweat unexpectedly shakes his rationality. He tries to leave, but an unexpected accident causes the mother to cover her son. By the time my mother left, it was already too late to my son's limits...