Mark spotted the guy leaning against the brick wall at the end of the alley, phone screen lighting his face. The message had been blunt: "You want this cock? Come suck it." Mark walked straight over, dropped to his knees on the dirty concrete, and yanked the guy's jeans open. The thick, veiny dick sprang out, already half-hard and leaking.
He wrapped his lips around the head and sucked hard, tasting salt and skin. The guy groaned and grabbed Mark's hair, pushing deeper until the shaft hit the back of his throat. Mark gagged but kept going, bobbing fast, spit running down his chin and dripping onto the ground. He reached up, cupped the heavy balls, and rolled them while he worked the shaft with his tongue, sliding along the underside and flicking the sensitive spot just under the head.
"Fuck yeah, take it all," the guy muttered, thrusting forward. Mark relaxed his throat and let the cock slide in until his nose pressed against trimmed pubes. He held it there, swallowing around the length, then pulled off gasping, strings of saliva connecting his mouth to the shiny dick. He licked from base to tip, then sucked one ball into his mouth, tongue working the wrinkled skin while he jerked the shaft with a tight fist.
The guy pulled him up, spun him around, and shoved him face-first against the wall. Rough hands yanked Mark's pants down to his thighs. A thick finger pushed between his ass cheeks and rubbed over his hole, pressing but not entering yet. "You want me to fuck this tight ass raw?" the guy asked, voice low and dirty.
Mark pushed back against the finger. "Do it. Shove that cock in me."
Spit hit his hole, then the blunt head of the dick pressed against it. One hard shove and the guy was inside, stretching Mark open in one long thrust. Mark grunted at the burn, but the guy didn't stop. He pulled back and slammed in again, balls slapping against Mark's ass. The pace turned brutal fastdeep, pounding strokes that knocked Mark against the wall with every thrust. Skin slapped skin. The guy's grip on Mark's hips was bruising.
Mark reached down and stroked his own leaking cock in time with the fucking. Pre-cum smeared his fingers.
The guy leaned over him, breathing hot against his ear. "Your ass is gripping my dick so fucking tight. You love getting used like this, don't you?"
"Yeah," Mark gasped. "Harder. Fuck me harder."
The guy obliged, pounding faster, the wet sound of spit-slick cock driving into hole filling the alley. He reached around, knocked Mark's hand away, and took over jerking him off with rough, fast strokes. Mark's legs shook. His balls tightened. The guy angled his hips and nailed Mark's prostate on every thrust until Mark was moaning loud and shooting thick ropes of cum onto the wall and ground.
The guy kept fucking through it, using the clenching hole until he buried himself deep and unloaded. Mark felt every pulse, hot cum flooding his ass and leaking out around the shaft as the guy kept grinding through his orgasm. When he finally pulled out, cum ran down Mark's thighs.
They stood there catching their breath. The guy tucked his dick away and said, "Same time tomorrow?" Mark nodded, already pulling his pants up over the mess. He walked out of the alley with cum still dripping from his hole, already thinking about the next round.
