Tomo was looking forward to meeting his cousin, but when he was greeted at the front door, his eyes were drawn only to the voluptuous breasts of his aunt. He couldn't help but be distracted while everyone was eating. They then decided to take a bath together. In the changing room, his aunt nonchalantly took off her clothes. Her large, beautiful breasts and buttocks caught his eye. "So this is what an adult looks like naked!" Not only could his heart pound uncontrollably, but when she washed his genitals in the bathroom, it grew even bigger and he felt embarrassed. Then, something even more shocking happened. His aunt was having sex with his cousin.