Hiromu's father remarried, so he had another sister. Hiromu's personality is quite shy, so he and Anna still don't get along well. His stepsister is very beautiful, but too carefree in front of him. Because it is the middle of summer, the weather is quite hot. Anna often takes off her pants and wears a pair of T-shaped underwear to walk around the house. Anna asked him to help her massage because she felt a bit tired. Because he was a virgin, he was quickly made erect by this extremely seductive scene. When Anna asked her to massage her butt, Hiromu couldn't hold back anymore! You're out of control and can't stop! Because it was the first time, Hiromu quickly ejaculated. But it's okay, you can ejaculate many times in a row! At first she refused, but the huge, hard cock, the violent strokes and the feeling of joy made Anna unforgettable. She actively sought out Hiromu, wanting him to fuck her more and satisfy her sexual desires. And the two people's wrong relationship has continued since then...