"Are you excited by your aunt's underwear?" An aunt squeezes out no drop of her nephew's sperm with her freshly removed panties.

Ryota lives in his aunt's house to attend a university in Tokyo. The boarding house itself is very grateful, but she was troubled by how close she was to her aunt Ayumi, who she has always admired for. I'm not human enough to have the woman I like in front of me and stay calm. After finally reaching her limit of patience, Ryota becomes aroused by her panties, and secretly wraps them around and starts playing alone. However, unfortunately, Ayumi comes there...