Husband

Naoto’s maternal aunt. After her husband Takeshi is diagnosed with azoospermia, she mounts sleeping nephew Naoto, then asks for his sperm and keeps having sex until she can get pregnant; the scene ends in double penetration with her husband and nephew.

Son of the household. Aroused by housekeeper Sato’s body, he forces sex on her in the shower, then has simultaneous sex with both Sato and his mother after she joins.

43-year-old mature woman with short dark hair and large breasts who visits a female therapist; she is stripped, fingered, forced into fantasy of group ejaculation, collared, suspended, and used with vibrators and dildos until her son Yuuki is brought in for coerced incest.

Young dark-haired male, friend of Shinsuke. On these pages he joins the double penetration of Shinjou's mother and later becomes the main partner of his own mother.

A full-figured 40-year-old mother with long wavy dark hair and extremely large breasts and buttocks. After overpowering her son earlier, she is secretly shrunk by a drug he mixed into her nightly health drink, then stripped, fingered, licked, and forcibly penetrated until he creampies her and claims he has conquered her.

Nephew staying at his aunt’s house. Wakes while being penetrated by his aunt, learns of her infertility motive, continues creampie sex with her, and joins a threesome when his uncle arrives.