Incestuous relationship. He told his bespectacled sister, "You need to practice oral sex for your boyfriend," and demanded she perform oral sex on him every day. Gradually, he even lost interest in going to hotels. HERL-008

A cute little sister with glasses actually said something like this to her brother: she wanted to give her boyfriend oral sex. So, brother, you can be my practice partner! Under her brother's loving care, the little sister diligently practiced her oral sex techniques! Now her brother doesn't even need to go to a hotel! Hehe!!