Student, I'll give you an "A" if you get your dick out

He gagged her so she wouldn't resent it and filled her with his cum without asking

Oh, honey, what are you up to? I can smell it on your ass, you're gonna stick your dick up my ass

A deep blowjob is when the cock is shoved down your throat and your ass is throbbing

It's embarrassing to blackmail my sister, but how else can I get her to have sex?

Lick her to orgasm, and before she comes, cum inside her. It works