My sister, a female student, was taking a nap and his underwear was exposed. He was excited to see his sister's trousers and immediately caught his penis having sexual relations with her sister. However, he was quickly detected and treated his brother, who was fond of his sister, as a pervert, but he gradually began to feel sympathy for him. Even though my sister offered to help her, she couldn't get her brother to shoot enough...

Tags: Yuyan, Chinese subtitle