Naoto

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.

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.

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.

Middle-aged businessman with glasses. Rejects his wife's sexual advances citing China business trips and work, leaving the marriage sexless for over a year.

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’.

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.