Kota, a university student studying in Tokyo, is living with his aunt and her husband. Having adored his aunt since childhood, spending time with her has always been his greatest joy. However, his feelings grow stronger each day until he can no longer suppress them. Overcome by burning desire, he sneaks into the changing room and presses his face against his aunt's freshly removed underwear. Overwhelmed by their sweet scent, his instincts take over. But his actions are discovered by his aunt, leading to a tense and embarrassing confrontation.