A home visit planned by Teacher Iori, who has a weakness for young men, targeting when the parents are not home. She finds out the sexual troubles of her favorite student, Ito, and starts to solve them. "Now stick out your tongue. Entangle it slowly..." As soon as she takes Ito's first kiss, Teacher Iori carefully teaches him the pleasure of kissing. Intense kissing ignites the desires of the two, and the relationship between teacher and student develops into a man-woman relationship...