From a young age, Shunji, who has been living at the house of his aunt Eriko, who has always doted on him, starts to unconsciously view her as a woman, often ending up with awkward behavior. On the other hand, Eriko finds such Shunji endearing and frequently makes advances towards him. One day, when Eriko enters his room and presses against him, Shunji becomes tense and excited, causing his crotch to swell. Sensing this, Eriko smiles and slowly takes his fully erect member into her mouth…
