Jocks for Sale -- Part 2: The Trainer (straight to gay MM slave dark romance):

Connor thinks that he can fight back, find a way to escape. But Connor is about to meet his trainer.

Connor's up against a system that has taken hundreds of boys before him. Boys who were just as tough. Just as arrogant. Just as sure that they'd never give in. And one by one it broke them, trained them as sex objects, and sold them to the highest bidder. Connor swears that he'll be different. But little by little the golden boy jock can feel himself slipping. With every new humiliation, he's...