I, a student who started dating Yuko-sensei, a beautiful and kind teacher who is very popular at school. At first, I was happy to be confessed to by the Madonna teacher, but gradually I became afraid of her out-of-the-ordinary courtship behavior... Even so, I couldn't escape the pleasure that had once been burned into me, and I had forbidden sex almost every day. My rationality is gradually eroded by the teacher's pathological service that ruins men.