Graded in Sin

Silent Obedience

Emma’s fingers dug into the edge of the desk so hard her knuckles turned white. Professor Kane’s thick c**k was buried deep inside her, stretching her walls, pulsing with every shallow breath she took. The knock on the door still echoed in her ears.

“Professor Kane?” The voice outside sounded impatient. “You coming? The dean’s already in the conference room.”

Kane’s chest pressed against her back, his weight pinning her down. His lips brushed the shell of her ear, hot and dangerous. “Answer him,” he whispered, voice barely audible. “Tell him I’ll be there in a minute.”

Emma’s throat tightened. She swallowed once, twice, trying to steady her voice while his hips gave the tiniest, cruel roll forward, nudging that sensitive spot inside her.

“I…I think he’s on his way,” she called out, the words shaky and higher-pitched than she intended. “He said… one minute.”

A pause. “Alright. Don’t be late.”

Footsteps retreated down the hallway.

The second they faded, Kane’s hand clamped over her mouth, muffling the desperate whimper that escaped her. “Good girl,” he growled low in her throat. “So obedient already.”

He pulled back slowly—agonizingly—until only the thick head of his c**k remained inside her, then slammed back in with one hard thrust. Emma’s muffled cry vibrated against his palm. Pleasure and panic collided inside her, making her legs tremble.

“Shhh,” he warned, f*****g her in deep, measured strokes now, careful not to let the desk creak too loudly. “You don’t want anyone hearing how wet your professor makes you, do you?”

Tears of overwhelming sensation stung her eyes. Every thrust pushed her closer to the edge she’d been denied moments ago. Her body betrayed her completely…clenching around him, dripping down her thighs, desperate for release.

Kane’s free hand slid between her legs, fingers finding her swollen c**t and circling it with ruthless precision. “You’re going to come for me right now, Emma. Quietly. Like the secret little slut you are for me.”

The filthy words combined with the relentless pressure on her c**t sent her spiraling. Her orgasm crashed over her without warning…sharp, intense, and devastating. She bit down on his palm to keep from screaming, her entire body shaking as waves of pleasure ripped through her. Her walls pulsed and fluttered around his c**k, milking him hard.

Kane groaned softly, hips stuttering as he buried himself deep and came with her, pulsing hot inside her in thick, controlled spurts. For several long seconds, the only sounds in the office were their ragged breathing and the faint tick of the wall clock.

He finally released her mouth and slowly pulled out. Emma stayed bent over the desk, legs weak, c*m already starting to trickle down her inner thigh. Shame burned hot in her chest, but so did something darker, an undeniable thrill that made her hate herself a little.

Kane straightened his clothes with calm efficiency, then helped her up, turning her to face him. His thumb brushed a tear from her cheek almost tenderly.

“You did well,” he murmured. “First lesson passed.”

Emma’s voice cracked. “This… this can’t happen again. Not like this. Someone almost…”

“It will happen again,” he cut her off, voice firm but surprisingly gentle. “Whenever and wherever I decide. And you’ll be ready for me. Skirt up, panties off, legs spread. Understand?”

She nodded, too drained and overwhelmed to argue. Her future depended on it. But worse…her body was already craving the next time, even as her mind screamed at her to run.

Kane stepped back, adjusting his tie in the small mirror on the wall. The professional mask slid back into place effortlessly. “Clean yourself up. You have class in twenty minutes. I expect you to sit in the front row from now on.”

He walked to the door, unlocked it, and paused with his hand on the knob. “One more thing, Emma.”

She looked up, still trembling, skirt still bunched around her waist.

His gray eyes held hers, dark and unreadable. “If you ever try to fight this… I’ll make sure the entire department knows exactly how enthusiastically my best student earns her grades.”

The door clicked shut behind him, leaving her alone in the silent office.

Emma sank into the nearest chair, legs shaking, his release still warm between her thighs. The weight of what she had just agreed to crashed down on her, blackmail wrapped in raw pleasure, power and lust twisted together so tightly she couldn’t tell where one ended and the other began.

She was trapped.

And the terrifying part?

A small, secret part of her wasn’t sure she wanted to be freed.