After spending a few months making do with your weak dick she finally caved in to your bullies offer of giving her a night with a real man. Turns out she asked for even more to make up for lost time
Sis really wanted to get better at sucking dick for her boyfriend. Since i’m bigger than him, I offered to help her practice. Now she never misses the opportunity to get better. Even when we’re at school she meets me in the bathroom and gets on her knees
