Shinsuke

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.

Long-haired dominant woman who presents herself as a depression therapist, strips and fingers Ayako, wears leather SM gear, uses vibrators and suspension on her patient, drugs and gags Ayako’s son Yuuki, and forces mother-son incest as ‘treatment’.

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.

A young muscular son with dark medium-length hair. After being overpowered by his mother, he researches how to rape large women, mixes a Candomblé-derived shrinking drug into her health drink, then uses his now-giant relative size to strip, finger, lick, and forcibly penetrate her until he creampies her and declares he has conquered his mother.

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.

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.