He has no choice
From Create Your Own Story
Dudley hand wrap on the base of his thick cock. He rubs the meaty cockhead against Harry lips teasing out slow moans from Harry.
Harry pussy wet as the man across the stalls said. "Come on slut. My dick getting cold over here."
Dudley push the first inches into Harry tight wanting pussy. His cockhead making a small popping noise as it enters Harry for the first time and probably not the last. Harry wetness overtaking the first three inches of Dudley thick cock. Harry virgin pussy hurting a little as he try to fit more of Dudley thick shaft into him. Dudley hands gripping around Harry womanly hips to dictate the pace.
The man in the stall began to slap Harry face wanting Harry mouth back around his cock. He yells. "Gives me that throat doll face."
Does Harry open his mouth to be fill from both ends?