Ryota, who has successfully been admitted to a university in the city, moves in to live with his aunt and uncle in the city. His beautiful and kind aunt has always been a woman he admired. Living under the same roof with such an aunt keeps his heart fluttering. However, she is a married woman, and her husband is also around. Unable to express his feelings directly to her, he resorts to stealing and sniffing her panties to release his pent-up desires. Obsessed, he gets caught by his aunt, who doesn't scold him but instead teases, "Do you really like my underwear that much?" and proceeds to handle his erection with her panties...