Ryota is staying with his aunt and uncle to attend a university outside of the prefecture. He can no longer suppress his desires when he sees his aunt Saki, whom he has always loved and admired. Driven by an insatiable passion, Ryota comes up with the idea of using Saki's underwear as a stimulant. He sneaks into the dressing room and buries his face in her freshly removed panties. Ah... I can't stand it. At the moment he inhales the sweet and sour scent, he is unfortunately seen by Saki...