The days leading up to May Day passed in a haze of restrained desire. Qin Hao and Xia Zhixue had settled into a rhythm of carefully controlled encounters, their games of bondage and discipline limited to the late hours when the campus slept. During the day, they maintained their facades—she the dignified mathematics professor, he the quiet freshman with a talent for painting. The secrecy added its own thrill, a constant undercurrent of electricity that made even casual glances feel charged with meaning.
They usually met at night, in shadowed corners of the campus where the streetlights didn't reach. Empty classrooms, the rooftop of the science building, once even the basement storage room of the gymnasium. Each session was brief, intense, and left them both hungry for more. Xia Zhixue found herself looking forward to these encounters with an eagerness that surprised her. The woman who once prided herself on control was now addicted to losing it.
It was a Wednesday evening, a week before May Day, when Qin Hao made his suggestion. They were sitting in a secluded corner of the campus cafeteria, pretending to study. He had been unusually quiet during dinner, his eyes distant, his fingers drumming on the table in a pattern she recognized as him working up the courage to say something.
"What is it?" she asked, not looking up from her textbook.
"The library," he said softly. "Tonight. I want to do a K9 bitch-exposure session."
Xia Zhixue's pen stopped moving. She felt heat rise to her cheeks, spreading down her neck. The library. Public. The thought made her stomach clench with a mixture of fear and excitement. "That's... that's too risky. What if someone sees?"
"I've checked the schedule. The night shift librarian is old Wang, and he always takes a smoke break around midnight. The graduate students who study late are all in the main reading room on the second floor. The back stacks on the fourth floor are empty after ten."
She shook her head, but even as she did, she could feel the familiar ache between her legs, the traitorous response of her body to the idea. "Qin Hao, this is campus. We could get expelled. I could lose my job."
He reached under the table, his hand finding her thigh. His fingers traced patterns on her skin, moving higher, pressing against the fabric of her skirt. "You want it," he said, his voice low and certain. "I can feel how tense you are. Your body knows what it needs."
She tried to push his hand away, but her grip was weak. His fingers found the edge of her panties, slipping beneath. She gasped, spreading her legs slightly despite herself. "Someone will see."
"They're all too busy studying." His fingers found her clit, circling slowly. "Besides, you're wearing a skirt. No one can see anything."
She bit her lip, trying to focus on her textbook, but the words blurred. His touch was patient, insistent, drawing responses from her body that her mind couldn't control. She was already wet, her hips moving slightly against his hand.
"Just think about it," he murmured. "The feel of the grass on your knees. The night air on your skin. The thrill of knowing anyone could walk by and see you, Professor Xia, the ice queen of the math department, on her hands and knees, waiting."
Her breath caught. The image was vivid, intoxicating. "What if..."
"I'll be nearby the whole time. If I see anyone coming, I'll call it off. But no one will come. That grove is deserted after dark."
She closed her eyes, feeling his fingers slide inside her. That was the problem—she wanted it. She wanted the risk, the exposure, the feeling of being completely vulnerable and at his mercy. The part of her that she had kept buried for years was awake now, hungry, demanding satisfaction.
"Fine," she whispered. "But if anything goes wrong..."
"Nothing will go wrong." He withdrew his hand, bringing his fingers to his lips. "Meet me there at eleven. You know the spot."
The grove was a small cluster of trees near the art building, far enough from the main paths that it was rarely visited. Students called it the Lovers' Grove, though it was more of an open secret—a place where couples went to be alone, where whispered confessions and stolen kisses were exchanged under the cover of leaves. By day, it was a peaceful spot for reading or sketching. By night, it belonged to the bold and the desperate.
Xia Zhixue arrived at ten minutes to eleven. She had worn a long trench coat over her clothes, carrying a bag that contained everything she would need. The night air was cool, carrying the scent of damp earth and jasmine. The grove was empty, lit only by the distant glow of streetlights filtering through the branches.
She stood at the edge of the trees, her heart pounding. "Qin Hao?" she called softly. No answer. She walked deeper into the grove, her heels sinking slightly into the soft ground. "Qin Hao?"
Still nothing.
She checked her phone. No messages. She called out again, louder this time, but the only response was the rustle of leaves in the wind.
The instructions had been clear. If he wasn't there, she was to proceed as planned. That was part of the game—the waiting, the uncertainty, the feeling of being watched.
With trembling hands, she unbuttoned her trench coat and let it fall to the ground. Beneath it, she was naked except for the black thigh-high stockings and the heels she had worn. The night air kissed her skin, raising goosebumps. She opened her bag and began to prepare.
The ball gag went in first, the leather strap buckled behind her head. It tasted of rubber and anticipation. Next came the nipple rings—clamps connected by a delicate chain that hung between her breasts, each movement sending a jolt of sensation through her sensitive peaks. She inserted the vibrator with practiced ease, followed by the dildo, both slick with lubricant. The vibrator was egg-shaped, controlled remotely, while the dildo was a thick, veined silicone shaft that filled her completely.
Finally, she put on the earphones, as agreed. They were connected to a small walkie-talkie clipped to her collar. She knelt on the grass, her face near the flowers, her body positioned for maximum exposure. The pose was degrading, humiliating, and yet it made her wetter than any gentle touch could.
The vibrator turned on.
She gasped, the sound muffled by the gag. The vibrations were intense, targeted directly at her clit. Her hips jerked involuntarily, grinding against the dildo inside her. She looked around frantically, trying to spot Qin Hao, but the grove was dark, the shadows deep and impenetrable.
He was watching her. She knew it. Somewhere in the darkness, his eyes were on her, drinking in the sight of her vulnerability. The thought sent a fresh wave of heat through her body.
The vibrator changed pattern, pulsing in waves. She moaned, her body responding despite her attempts to remain still. She twisted on the ground, her breasts pressing into the grass, the nipple rings digging into her flesh. The dildo shifted inside her with every movement, hitting spots that made her toes curl.
She was completely exposed. Anyone could see her—a security guard making rounds, a student taking a shortcut, a couple seeking their own private spot. The risk was real, tangible, and it made every sensation a thousand times more intense.
For long minutes, she writhed on the grass, lost in the dual sensations of the vibrator and the dildo. Her mind was a haze of pleasure and fear, each orgasm building and receding like waves on a shore. She lost count of how many times she came, each one leaving her more breathless, more desperate.
Finally, a voice crackled in her earphones. "Good girl. You've been so patient."
She whimpered, her eyes searching the darkness. She couldn't see him, but his voice was close, intimate, as if he were whispering directly into her ear.
"I want you to crawl for me," he said. "Follow the path to the library. I'll be guiding you."
The instructions were simple. She was to crawl on her hands and knees, keeping her body low, her face near the ground. The vibrator would stay on, a constant reminder of her submission. Every few feet, she was to stop and present herself—arch her back, raise her hips, display her wet, hungry body to the night.
She began to crawl, the grass tickling her knees, the damp soil cool against her palms. The path was uneven, roots and stones pressing into her flesh. The vibrator hummed inside her, driving her forward even as her muscles protested. She moved slowly, deliberately, each motion a surrender.
When she reached a small clearing, she stopped and arched her back, pushing her hips into the air. The dildo shifted, pressing deeper. She moaned, the sound muffled by the gag.
"Beautiful," Qin Hao's voice said. "Now keep going."
She crawled on, her body slick with sweat and arousal. The night air was cool on her heated skin, raising goosebumps. She was acutely aware of every sound—the rustle of leaves, the distant hum of traffic, the beat of her own heart.
By the time she reached the library's fire escape, she was trembling with exhaustion and need. The door was unlocked, as promised. She pushed it open with her head, unable to use her hands, and crawled inside.
The stairwell was dimly lit, the air stale and cool. She crawled up the steps, one by one, her knees aching, her breath coming in ragged gasps. At the top, she found him waiting.
Qin Hao stood in the shadows, a small smile playing on his lips. In his hands, he held the tools of her discipline—a breathing restriction mask, a set of electrode pads, a TENS unit, and a silver chain with a hook.
"You did so well," he said, kneeling beside her. "But now the real fun begins."
He removed the ball gag, letting her catch her breath. "Qin Hao, I—"
"Shh." He pressed a finger to her lips. "No talking. Not yet."
He worked quickly, efficiently, as if he had been planning this for days. The breathing restriction mask went on first, a leather harness that fit over her nose and mouth, limiting her airflow to a narrow tube. She could breathe, but only shallowly, each breath a conscious effort.
Next came the electrode pads, placed on her inner thighs, the small of her back, and just above her pubic bone. He connected them to the TENS unit, which he clipped to the collar around her neck. A flick of the switch sent a low current through her body, making her muscles twitch.
He bound her wrists behind her back in a reverse-prayer position, the rope tight against her skin. Her ankles were bound with a short chain, limiting her steps to small, shuffling movements. He attached the butt plug, its base connected to a hook that clipped to her hair, forcing her to keep her head up, her neck arched.
Finally, he put the heels on her—strappy sandals with 15-centimeter stilettos that made her calves ache and her balance precarious. He attached the nipple rings to a length of fishing line and held the other end in his hand.
"Stand," he said.
She struggled to her feet, the heels wobbling beneath her. The chain between her ankles made walking difficult, and the hook in her hair pulled at her scalp, forcing her to maintain an unnatural posture. The electrode pads buzzed, a constant reminder of his control.
He tugged on the fishing line, and she gasped as the nipple rings pulled taut, stretching her nipples until they were elongated, sensitive points of pain and pleasure. "Walk," he said, and she had no choice but to follow, her body moving in obedience to the pull on her nipples.
The fire escape led to a service corridor on the fourth floor of the library. The lights were dim, the shelves lined with old journals and reference books. Qin Hao led her through the corridor, his steps measured, hers stumbling and awkward in the heels.
When they reached the main reading room, she stopped, a look of terror crossing her face. Through the glass doors, she could see a few students hunched over tables, laptops glowing, coffee cups scattered around
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