A masterpiece series that depicts the world of popular erotic novels! Reiko, who is dissatisfied with her husband who hastily has sex with her for her own satisfaction every morning just before he goes to work, indulges in nostalgic sex with her father-in-law (her old daddy) when they are alone. The wife is having an affair with her father-in-law without her husband's knowledge, and she becomes pregnant with his child but can never tell her husband... Although she loves her husband, she cannot forget the sex she had with her father-in-law, and even though she knows it is wrong, she repeatedly indulges in pleasure. All 5 stories are included.