Mamacita Stories, Toka Rinne

"Touka" agrees to look after her nephew Yoichi at her cousin's request. As a single mother, Touka thinks it's a good chance to have a playmate for her son and readily accepts, but Yoichi is drawn to Touka's beautiful body and makes advances behind her son's back. "Nice... Touka's big boobs..." Having long admired Touka's exquisite body, Yoichi clings to her persistently like her own son, stimulating the frustrated Touka's body. Their relationship quickly develops, and they indulge in sex hidden from her real son...