URKK-068 He's been milked by the perv landlady next door, every day.

Nao and his mother lived with their landlord's mother, sick enough to relieve their mother's burden, but it was not only life, but even sexual desire that was being dealt with, which was gradually becoming more intense, and then, one day, it was even forced out, and then Nao continued to cooperate with the landlord's perverted sex.