1. Mother-in-law (Keiko) x son A father who is addicted to golf, a son who knows that if he grips the club, he will not come back from his world. 2. Mother-in-law (Miyu) x son "Masturbation is strictly prohibited" and the son who studies for entrance exams is corrupted! 3. Grandfather-in-law x Granddaughter (Mika) Grandfather who cared for his grandfather as a sister and gradually fell in love with his sister. 4. Brother-in-law x Sister (Rika) A naughty older brother who takes a nap at night to his younger sister... 5.Mother-in-law (Nagisa) x son My son, who found out that his mother-in-law was having an affair, used his body as a hush. 6. Former mother-in-law (Satomi) x son Report to the mother of the divorced wife... However, it was the mother-in-law's body that had regrets. [* There is some disturbance in the image and sound]