The Isshiki family has moved in with their daughter-in-law, Masato, after their daughter Kayo got married. Masato, who often works from home, is a reassuring presence for Momoko, a housewife. One day, Momoko unintentionally kisses Masato after he gets drunk at a private dinner.... When Masato woke up, he could not suppress his secret desire for Momoko, who was in the prime of her womanhood and had a ripe body, and he forcefully took her lips. The two crossed the line, and they were both madly venting their growing sexual desire for each other...
