Yuuta, who had special feelings for his aunt Akane, would come up with various excuses to go to her house. He wanted to see his aunt. But on this day, his uncle was out and they were alone. He was nervous about the unexpected situation, but Akane, unaware of Yuuta's feelings, wandered around in front of him in just a bath towel after a bath. Seeing her so defenseless, Yuuta's reason wavered.