A son who falls in love with his mother-in-law "Hibiki" and can't control his feelings. Although he had confessed, he was frustrated that the relationship would not change, but one day his father decided to go on a business trip. And sleep at night Forbidden Incest Game Begins! I forgot my guilt with my intensely burning love, and I was crazy about it, and I got pregnant and had an adulterous intercourse! Free trial points for the first time!