Since separating from her husband, Yumi has been living with just her son. Before she knew it, her son had reached that age, and his crotch had grown significantly without her noticing… Meanwhile, Yumi, who hadn't touched a man's body in a long time, found herself becoming aware of her son's impressive member! As Yumi began to feel a throbbing sensation, she tried to hide her lewd thoughts, but couldn't help but perform fellatio on her son's stiff morning erection… The two had opened the door to taboo and were sinking into the mire of incest.＃班長P
