In the first season of episode 68, after summer vacation started, the younger sister played games at home every day, ignoring whether her...

In the first season of episode 68, after summer vacation started, the younger sister played games at home every day, ignoring whether her mother was around or not. She deliberately exposed her vulva to seduce her older brother. Seeing that he didn't react, she turned her back to her mother and shoved his penis into her mouth. After a few moments, the brother became incredibly hard and couldn't wait to penetrate her. In the end, he was even penetrated and ejaculated inside her. See the first reply for the follow-up!