Yusuke

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.

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.

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’.

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.

Dark-haired muscular young man. On these pages he and Yuma double-penetrate his mother, call the arrangement the best luxury package, and finish the chapter.