OBA-370 My husband's stepchild is too extravagant... - Reiko Kitagawa

Although she got married, Reiko spends her days in agony as she hardly has sex with her husband. - In contrast, Shinji, her stepchild, has a strong sexual desire, and the scent of a man she smells every time she enters his room makes her horny. - Then, one day, Reiko witnessed him masturbating and couldn't resist the manly erect cock, so she jerked it off as he asked. - However, Shinji, who is an unequaled man, can't hold back after ejaculating just once, and even though he has just ejaculated, he shows off his erect cock even more...