The sweaty crowds heaving through the tube station pressed their two very different bodies together. When this happened, Mark was harshly reminded of the reality of the situation. This reminder came in the shape of barely-constrained, python-sized cock that pressed painfully into his upper back. The gaze of anyone looking would only take in the muscle-bound Adonis around which the crowd parted. Anyone taking a closer look would notice the obscenely large bulge pressing out from the crotch of denim shorts -- shorts already straining to hold in the great swell of impossibly muscled thighs. No one would guess that the short, dazed-looking guy walking in front of him, stick-thin arms barely touching the thin sleeves of his polo, was part of the same story.
The heat hadn't abated, but it paled against the fire of fear and shame burning him from within. Mark had been completely caught out by his musclebound pursuer. The first quick glances he had allowed himself of this strength-swollen freak, like free samples of some addictive drug, had completely hooked him. He had no idea how much time had passed as he stared in erotic greed at every aspect of his monstrous frame. The particular curve of his pecs, heavy with muscle and authority, jutting proudly from his chest. A tangle of dark hair spilling over strained, sweat-soaked tank top. The delicious pink of a large nipple occasionally springing free from the top's tightness. He had imagined his small tongue eternally circling that nipple, or talking it into his mouth, sucking it, tasting the sweat of a real man's workout. He allowed himself, for a moment, to believe that he could draw, from the depths of his monstrously muscled chest, a sigh from the owner of that nipple. That he could participate, even for a millisecond, in his pleasure. The mere thought of this caused a small, sticky wetness to seep into his briefs.
Remembering that moment now caused him to lick the salt-laden sweat from his upper lip.
Usually Mark struggled to get through these types of crowds. Taller men, in particular, would either fail to see and make way for him, or just jostle him aside as they went on their way. Now, however, though he was being physically and psychically propelled by the behemoth behind him, he found it far easier to make progress through the crowd that naturally made way for his warden. His fear of the situation strangely depleted itself, and that void was filled by the intense eroticism of borrowed power.
A press of people waiting by the elevators meant a pressing of the giant's manhood into Mark's scrawny back. Mark could feel sweat, from heat, arousal and fear, spring from his skin. He thought of that sweat seeping through his shirt, through the strained denim and maybe even wetting some part of that throbbing cock. The idea of their sweat mingling in wet, clinging fabrics caused him to get lightheaded, his own erection dwindling as the blood rushed to his head. He probably would have stumbled forward if not for the pressure of his pursuer's massive body, and the press of the crowd, keeping him upright.
Every now and then, as they eventually ascended the escalator into London's characteristically grey light, Mark felt the subtle pressure of a finger or hand. In the overheated haze of the train carriage, he hadn't paid too much attention to the size of those hands. He had only seen them in proportion to the rest of his body: the enormous swell of his basketball sized biceps, the chorded muscle of his forearms. For the briefest second, he felt a hand brush his right hip, and the quickest drumming of each barbell-calloused finger. The pressure of that giant hand, which easily encircled his tiny waist, completely emasculated him, draining the blood from his face in embarrassment, until it returned, again, in shameful and intense arousal.
He tried to imagine how he must seem in the other man's perspective. He pictured himself from behind, incredibly small when viewed from a height. He put out an imaginary hand and saw himself eclipsed by it. Suddenly, he was jolted back to reality -- some part of his brain wouldn't allow him to pretend to be what he wasn't. The same part brought back the memory of that hand's great weight, and the pressure of his monstrously thick cock. In fact, everywhere he had been touched by the giant was burning hot, as if hot wax had been dripped on him.
They emerged now into the sun. Without the constant noise of the underground, Mark heard more clearly the whispers generated by his mysterious follower. Snatches of hushed conversation snuck to his ears.
"...fucking hell"
"Don't make it obvious but look behind you..."
"... Jesus Christ..."