Ryota, a nephew, is staying with his aunt, whom he has admired since he was a child. Although it is only a short time until he graduates from college, he is savoring the happiness of living with his beloved aunt since he was a child. However, Ryota is no longer satisfied with that and comes up with the idea of masturbating with his aunt's freshly removed, warm underwear. The moment he inhales the sweet scent of the warm panties she had been wearing until just now and reaches for his cock, he is unfortunately found by his aunt...