(DVD price change! The volume and contents have been reduced to a more affordable price!) A frustrated married woman, Rei, took the courage to invite her husband to work, but it was refused because it was not tight and uncomfortable. It ends up. - Rei who is shocked by her and starts her vaginal training. - But she happens to be seen by her doctors father-in-law. - She is told that she can give accurate advice, but she gets an aphrodisiac on her shame, and she gets fucked. - The relationship with her father-in-law that started from that day. - A married woman gets into an immoral relationship ...