The Burning Seal of Restraint
I return the meal tray from breakfast and head up to the fourth floor. When I stand in front of [4F-T03 Multi-purpose Treatment Room], the clock reads 8:52. Althea opens the door. It's the room I glimpsed yesterday. The medical chair, faintly visible through the translucent glass door before, now sits squarely in the center of the room, facing forward. The backrest is tilted at about 45 degrees, with footrests that spread apart on both sides—similar to a gynecological exam table. Leather restraint straps dangle from the ends of the footrests and the armrests. A silver tray sits beside the exam table, lined with unfamiliar tools: a thin brush, a small glass vial filled with thick purple liquid, and a few translucent mana crystals.
The air in the room feels different. Instead of the pheromones saturating the fourth-floor hallway, a sharp disinfectant scent stings my nose.
Han Seo-yeon is already here. White coat, black pencil skirt, half-rim glasses—just as she appeared in the exam room yesterday. She stands before the silver tray, inspecting the tools. The sharp click of her high heels echoes through the quiet treatment room. As I enter, she turns her head. Her red eyes lock onto me through her glasses.
"Miss Yoon Ji-ah. You're early."
Her voice is low and businesslike, laced with chill.
"Please sit on the exam table and remove your lower garments completely."
With trembling hands, I untie the drawstring of my patient uniform pants. My "thing" is still covered by the tip condom, poking out through the opening, but as I slide the pants down, my thighs and balls are fully exposed. Thanks to the ointment Althea applied yesterday, the bruising has faded a bit, but yellow marks still spread wide.
Althea steps up beside me and gently removes the tip condom. The silicone brushes over my glans, sending a shiver through my thighs. I climb onto the exam table, leaning back against the cold medical cushion pressing into my bare skin. Han Seo-yeon approaches and guides my ankles onto the footrests.
The footrests spread wide, forcing my legs into an M-shape. My lower body is completely exposed. My engorged cock lies half-sprawled over my lower abdomen, and beneath it, my swollen balls rest taut against the cushion of the table. Under the direct fluorescent lights, everything is cruelly vivid.
Han Seo-yeon slips on latex gloves and positions herself in front of my crotch.
"I'll check before the procedure."
Her red eyes travel from my cock to my balls.
"No ejaculation since yesterday, correct?"
Memories flood back of fighting that temptation all night—my hand drifting down instinctively, only to stop at the sight of the bed's restraints.
"N-no, I haven't."
"We need semen stored in your balls for the procedure."
She lifts my balls with her gloved hand. The moment the cold, slick latex touches my hot skin, my back arches involuntarily.
"Let me confirm."
Her fingers press methodically over both balls, more thoroughly than yesterday, slowly kneading the surface. Each time her fingers dig into the taut flesh beneath, a deep throb echoes in my pelvis.
"Mana condensation is good. Semen retention confirmed. We can proceed."
She pulls her gloved hand away. Under the lights, Cowper's fluid glistens on her fingers.
"Nurse Althea, prepare the engraving ink."
"Yes, Doctor."
Althea picks up the glass vial of thick purple liquid from the silver tray. She uncaps it, and a pungent, sweet aroma fills the air—like ink infused with concentrated mana. She dips the tip of the thin brush into the liquid.
Han Seo-yeon takes the brush.
"We're starting the Ejaculation Control Magic Circle engraving. This procedure etches the pattern onto your balls and lower abdomen."
She pulls a chair between my legs and sits. Her long legs in high heels cross, and her red eyes, visible over her half-rim glasses, stare directly at my balls. In my field of vision, her face and my cock frame together. The composition feels unreal in its humiliation.
"If you move, the pattern will distort. Do not move."
With the warning, the brush tip touches the surface of my left ball. It's cold. The purple ink hits my skin like an ice shard piercing the surface. But as it seeps in, it reverses—turning hot. The spot where the ink touches heats up, as if the mana beneath my skin is reacting.
"Ngh…"
I grit my teeth, and the brush begins to move. Geometric lines trace the curve of my ball. Her hand is precise and slow. Ten seconds per stroke. Each time the ink sinks into my skin, a hot pulse sinks deep into the testicle, throbbing inside.
Her left hand cradles and steadies my ball from below. Fingers wrapped in latex grip the underside, while her right hand's brush etches the pattern above. As she adjusts the brush angle to fit the curve, her left thumb presses firmly into the side. Intentional or not, I can't tell. But that single press makes my inner pelvis twitch, and my "thing" starts to slowly lift from my lower abdomen.
"Erection response. Within expected parameters."
She says it without lifting her eyes from the brush. Her clinical observation strips me bare in three words—confirming with her own mouth that I'm getting hard right now in this woman's hands.
"Nurse Althea, secure the penis."
"Yes."
Althea moves to my side. Her warm, soft hand lightly grasps the shaft trying to stand, pressing it back against my belly and holding it with one hand. My "thing" twitches in her palm. The succubus's hot body heat envelops the engorged flesh, lavender and milk scent teasing my nose. My entire lower abdomen ignites like a fireball.
"Relax, Ji-ah. It'll be over soon."
Althea whispers near my ear. Her warm breath grazes my earlobe.
"Just a little longer."
It wasn't quick. Ten minutes pass to complete the pattern on my left ball. For those ten minutes, Han Seo-yeon's brush dances relentlessly over the sensitive skin, each ink seep sending hot throbs deep into the testicle. Althea's hand holds my cock motionless, but that stationary contact is pure torment. In her hot palm, my glans quivers sensitively, Cowper's fluid leaking out to slick between her fingers.
"Right side."
Han Seo-yeon dips the brush in ink again. Her left hand shifts to my right ball. As she cradles it from a new angle, her fingers press into the sensitive fold between ball and thigh. The latex squeezes that tender skin, and electricity sparks inside my pelvis—or so it feels.
"Hngh…!"
A sound leaks from my mouth, my hips bucking reflexively.
"Do not move."
Her voice drops like a blade.
"If the pattern distorts, we start over from the beginning."
Start over? I tense my whole body, pressing my back into the table. My fingers grip the armrests white-knuckled. The brush moves again, tracing lines over the right ball's curve, hot ink seeping beneath the skin. It hurts more than the left. Or is it pleasure? I can't tell. Pain and ecstasy tangle, shaking my entire pelvis. My dual prostate reacts internally—like simultaneous throbs deep in my anus and around the G-spot in my vagina.
"Ball engraving complete."
Han Seo-yeon sets the brush down. Twenty minutes have passed. Sweat streams from my forehead to my chin, my patient top clinging to my back. Looking down, intricate geometric patterns in deep purple gleam on both balls.
"Now the lower abdomen."
She dips fresh ink onto the brush and shifts her gaze to my belly.
"Nurse Althea, secure the penis farther to the side. I need space from the pubic bone to below the navel."
Althea's hand pushes my fully erect "thing" aside. It flops to my left of my navel, her palm pinning it to my belly. The glans brushes under the hem of my top, hot flesh pressing into abdominal skin—the sensation blurs my vision.
Han Seo-yeon's brush touches just above my pubic bone. Hotter than on the balls. As the ink seeps into my lower abdomen, a twisting heat pierces through like my guts are writhing. I feel the mana inside me reacting. The ink's pattern rooting along the mana pathways beneath my skin.
"Nngh…! H-hot… so hot…"
"Normal."
She doesn't pause the brush.
"The magic circle is settling into your mana pathways. It'll get hotter."
Hotter? Each line builds layers of heat. As patterns complete from navel to pubic bone, the heat sinks down to my balls. The moment the abdominal pattern connects with the ones on my balls—lines meeting at the junction—
"Guh…!"
My vision whites out. My pelvis convulses. Mana surges like a circuit completing, an electric current ripping through my lower abdomen, balls, and dual prostate. A climax-like sensation—not ejaculation, but a blocked, outlet-less ecstasy crushes my lower body.
My "thing" thrashes wildly in Althea's hand, Cowper's fluid gushing out to soak my belly and drip down.
"Nngha… ha, ah…"
Tears spill from my eyes. Not from pain. The intensity of feeling like I'm about to cum but can't—it's overwhelming.
"Magic circle engraving complete."
Han Seo-yeon sets the brush on the tray. The snap-snap of her removing her gloves echoes in the room.
"Stabilization takes about thirty minutes. Don't move."
I lift my head to look down. Deep purple geometric patterns shine vividly on both balls. A larger one stretches across my lower abdomen from pubic bone to below the navel. The lines pulse faintly, as if alive, emitting a violet glow.
Han Seo-yeon notes something on her silver clipboard.
"Once fully activated, the pattern turns red during arousal. Physical ejaculation becomes extremely difficult—the magic circle blocks it."
Not impossible, but extremely difficult.
"But not impossible."
She meets my eyes directly. Her red gaze gleams coldly under the fluorescents.
"That's why unauthorized masturbation is forbidden. Breaking through the circle destroys it, making standard treatment impossible."
Then it's B3.
"Understood?"
"…Yes."
Althea's hand rests on my head. Her soft, warm palm brushes back my sweat-dampened bangs.
"You did so well enduring, Ji-ah."
Why does "did well" pierce so deep into my chest? Lying on the exam table, I stare at the ceiling. My lower body burns, the patterns on my balls pulsing faintly with my heartbeat. My "thing" still stands rigid, Althea's body heat lingering where her hand had been.
This is just the beginning. Ejaculation management. Endurance training. Twice-daily stimulation, abstinence in between. And the final expulsion.
Han Seo-yeon snaps her clipboard shut and walks toward the door, heels clicking. She pauses at the threshold, glancing back over her shoulder.
"Stimulation treatment starts this afternoon. Nurse Althea will handle it."
This afternoon. Already…? The pattern on my lower abdomen flashes red once.