My friend's mother has a strange concept of chastity. (Yukiko Togashi, OBA-245)

Okuyama went to visit his classmate Yuuko's family, only to find that his mother's feminine hygiene products were scattered everywhere, and that his mother, Yuuko, greeted him without a bra. He even saw Yuuko openly masturbating. It turns out his mother's views on chastity are quite strange…