Bound at the wrists and ankles, the sub lies helpless on the cold, hard floor. The master looms over them, their cock rock hard and ready. They grab the sub's head, forcing their mouth open and pushing their cock inside. The sub struggles, trying to breathe, but the master is relentless, pushing deeper and deeper until their cock hits the back of the sub's throat. The sub gags, their body convulsing, but the master holds them in place, fucking their face roughly until they can't take it anymore. They pull out, their cock glistening with spit and precum, and cum all over the sub's face, leaving them gasping for breath and covered in their master's essence.