Yuma

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.

Mature mother with long wavy hair in a ponytail, large breasts and buttocks. On these pages she continues double penetration and threesome sex with her son Shinsuke and his friend Yuma until climax and the chapter ends.

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’.

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.