Getting rid of virginity with mother's sultry mature body depicted by a professional artist Bucchaa U, in an elegant yet lewd mood! Let's give your close friend a little sister by impregnating his mother! * Your long-sought sex with your close friend's mother who you have long yearned Since you saw her first time when you were much younger, you have kept feelings for your close friend's mother Kumiko-san in heart. You and Kumiko have long separated by the big age gap, but in this summer you and Kumiko finally got into a relationship for some reason. Kumiko allowed you to blow your robust sexual desire into her on condition that this love affair sex won't affect her family life. After a course of sexual intercourse including cosplay sex with sailor school uniform, bloomer, kimono and even wedding dress, Kumiko can't help begging child making sex from you... As a result of her ovulation day sex with Kumiko, where your close friend watches over it, Kumiko's ovum accepts your spermatid...!?