Kumi, his mother's best friend, came to visit from far away. Akira was intrigued by Kumi's sexy body, which was clearly visible even through her clothes, and although he knew it was wrong, he became aroused and ended up peeking at Kumi as she got naked in the changing room before going to take a bath. Kumi, who had no idea who Akira was, didn't notice that she was being watched, and when she returned to her room, she started stretching. Akira couldn't resist the sight of her bending her body in her underwear, the lewdest pose he had ever seen...