Ichika is very good at work but is very sloppy at home. He often doesn't wear pants, only underwear, making her unable to take her eyes off his beautiful butt. Knowing that her cute little brother is still a virgin and craves his ass, Ichika immediately wants to help him get rid of his virginity. So Ichika used her butt many times to seduce her younger brother, and the younger brother was quickly conquered by her beauty. And so, his virginity was officially stolen by his beautiful sister. After that, both sisters “play” together. The two promise that even if he has a girlfriend, he will continue to be “close” with Ichika like now…