Married Heteroparaunatrans, straight in mind but curious, finds himself alone with a massive dildo. His heart races as he lubes up, tentatively pushing the giant head against his virgin hole. His breath hitches as he forces it in, the stretch intense, but his gay curiosity propels him. He fucks himself, his straight mind warring with his body's pleasure, until he's balls-deep, moaning, his prostate alight with pleasure.