A man in a gas mask, anonymous and free, explores his most taboo desires. His ass, already stretched around a thick plug, aches for more. He presses a dildo against his hole, feeling the cool lube slicking his skin. With a slow, steady push, he takes the toy, his body welcoming the intrusion. He's caged, yet his desire is unbound, his moans muffled by the mask. He fucks himself, his hand working the dildo in and out, his ass gripping it tightly. His other hand wraps around his cock, stroking it in time with the thrusts. He imagines a cock in his mouth, another in his ass, his body overwhelmed with sensation. He's close, his body tensing, his ass clenching around the dildo as he comes, his cum spurting onto the floor, his body shuddering with release.