A mother teaches her son lovingly how to please a woman, unaware that their twisted love affair would spiral out of control... When the son asks his stepmother if she can make him a man, she hesitantly agrees, using both hands and mouth to fulfill his desires. Michiko Uchihara has raised her stepson alone since her husband passed away, but when he brings home his girlfriend, jealousy arises within her. Meanwhile, Yuuka Shirosaki finds herself drawn to the struggling college student next door, whose life revolves around masturbation. Determined to help boost his confidence, she gently places her hand on his crotch. Keep in mind that recording contents may vary depending on distribution method.