Shinsuke

Naoto’s maternal uncle and the aunt’s husband Takeshi. Diagnosed with azoospermia, he returns early, finds his wife having sex with Naoto, and joins for double penetration to impregnate her without guilt.

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.

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.

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.

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’.

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.