Satoshi, a college student, is living alone after his father is working away and his mother has returned to her hometown to care for his grandmother. One day, the young married neighbor Marina brings over dinner and is warmly welcomed. Captivated by her sultry body, Satoshi is seen through by Marina, who catches him off guard with a kiss. Enchanted by this sudden act, the virgin Satoshi pins her down like a famished beast and thrusts his hips as desire takes over. After this dreamy first experience and some time has passed, Satoshi ends up helping Marina with a neighborhood association clean