Unprotected sex with unfaithful spouse in dog style position

A man caught his girlfriend in the act with another man in their home. The sight of her being taken from behind, her clothes being ripped off, and his place being violated was too much for him. As he watched, his arousal grew, and he found himself masturbating to the scene. The other man, oblivious to the hidden observer, continued to have sex with his girlfriend in various positions, always leaving her exposed and bareback. The man couldn't help but fantasize about joining in, imagining the other man's cum filling his girlfriend's pussy. He longed for the sensation of being dominated and to taste his girlfriend's freshly fucked body. As the other man finished, he pulled out, leaving a creampie mess on his girlfriend's body. The man was left wishing he could have been a part of it all, feeling both aroused and degraded by the experience.