MIDA-312 Mr. Amagami, who likes younger women, falls into a class of obscene language while groping nipples from behind. Even though he has a girlfriend, he is cuckolded in a class where he is inseminated.

The teacher and swim club advisor Amamiya has a thing for younger guys and secretly had his eyes on the swim club ace Kuroi. Jealous that Kuroi had a girlfriend, he transformed into a perverted monster of a teacher who tries to take him by twisting his nipples… The story of how he appeared like the wind, took him from behind in a bear hug, and was molested by having his nipples twisted. "Can she make me cum this hard?" "Which feels better, the teacher or the girlfriend?" Drowning in the intellectual nipple technique of clearly different-from-a-lover Sensei Tennoji...