Jungkook pulls the mask off his face and discards it, leaning so close Taehyung can smell the subtle promise of cologne lingering in the air. He wonders if Jungkook has taken advantage of the office showers today, like he so often does – oh, to be a fly on the wall... The generous visuals from earlier repeat, round and round in Taehyung's mind, echoing the thoughts he was already having during his own shower this very afternoon... Jungkook is in his veins by now, he has lined his thoughts inside and out, he is festering in every nook, like a delicious corruption.

Jungkook's tone drops into an almost whisper, right next to Taehyung's ear,

"With this," he waves the gag in Taehyung's face slowly, almost taunting him with it, "you can't speak and you're already tied up," he says, as if it isn't plainly obvious. His tone darkens further, "Are you going to give me free hands, Taehyung? To do whatever I want? Because with this on, you won't have any other choice." The gloved hand wraps around Taehyung's jaw and twists until their eyes meet.

It's clear from the tone that Jungkook doesn't mean just dental treatment anymore, he's asking for permission, for Taehyung's body, to do with it as he pleases.

Warmth glows deep inside Taehyung, this is everything he has ever wanted... and he's already too far gone to do anything other than agree.

"Y-yes. Please. Anything, anything you want." he breathes, heart booming. He stares deep into the familiar eyes, realising the inevitable: he's already too deep in his daydreams to care what the reality brings after whatever is about to happen here. He wants it, he wants it too much.

For a moment, the silence extends between them while Jungkook considers the words. He stares, suddenly with such hunger, with such depth, it feels as if the usual wall has been removed and Taehyung can finally see what he really thinks – and it makes him want to do everything Jungkook will ever ask of him.

An almost disappointed shake of the head interrupts the gaze when Jungkook says, "What are you going to do if you change your mind and you want me to stop?"

"I'm not going to ask you to stop," Taehyung says, adamant.

"Free game?" Jungkook asks.

"Free game. I trust you." Taehyung has never meant anything more.

But Jungkook sighs, pulling back. "Taehyung, I need to know you have a way out, whether you're going to use it or not..." he whispers, with surprising tenderness. "I'd never want to risk hurting you."

Even in his wildest dreams, Taehyung has not once considered that Jungkook might actually care for him, not once has it occurred to him that he would actually care enough to worry for his safety. He squeezes the flutter in his heart back down and whispers,

"Alright. What should I do?"

"You could wave a hand, lift two fingers? When the gag is not in use, you can use traffic lights for safe words: yellow, if you need me to slow down or red if you need everything to stop."

Taehyung nods. "Alright. Two fingers. Yellow. Red."

Jungkook gifts him a little smile.

Slowly, he reaches back over and places the gag in between the teeth on one side. He takes a moment to adjust it so that the mouth stays fully open, but without cramping the jaw muscles. When it's on and Taehyung tries to close his mouth, he can't, the metal is solid between his teeth.

And just like that, he gives away all his power to Jungkook. As of now, the man has the freedom to do whatever he wishes with his incapacitated body.

There is no going back.

Quite unexpectedly, Dr Jeon's tone changes to normal, as if their little safety conversation didn't even happen.

"...but then I thought better of it," he goes back to talking about the vintage equipment while he adjusts the treatment chair back slightly more, until Taehyung is past horizontal, his head slightly lower than his feet, at the level of the lap covered with the pristine white lab coat. "Probably not the best idea to have scary contraptions around already nervous people, is it...? Now, where were we?" Something definitely dark flashes in his gaze when he adds, despite knowing that his patient is now unable to respond properly, "How do you feel?"

For a moment, panic flutters in Taehyung's belly, then he breathes, staring into Jungkook's eyes.

He takes a moment to simply feel the straps against his body, the contours of the chair, how he presses into it... and he sinks a little deeper within himself. Instead of fear, or worry, Taehyung actually feels incredibly... safe... held by the ties, held by the trust he has always had for Jungkook – from the very beginning, he has always been here, right by his side.

When one's most basic functions as a human being are taken away: the ability to move, even the ability to communicate... What exactly remains? Something very strange happens.

Jungkook becomes responsible for Taehyung, he is the person who now knows what he wants, what he needs. Taehyung is simply a receptacle, a mere vessel, an object... a simple play thing for someone else's desire, without a will of his own. His will is now Jungkook's... It almost feels as if the very breath of his being now belongs to him. But Taehyung trusts that he will be looked after – he knows this with the same certainty as day follows night.

Deep in his mind, stuck inside his bound body, Taehyung realises the biggest, deepest, the most profound thing he has ever realised: contrary to all logical thought, being thus contained is not imprisonment, it is, in fact, freedom – freedom from thought, freedom from decision, freedom from responsibility, of all internal expectation... it is freedom, from oneself.

True Freedom. The purest freedom Taehyung has ever felt. An incredible sense of blissful resignation mixes in with intense anticipation. Do with me as you will, Jungkook, runs through Taehyung's mind as his attention shifts back outside, to his captor.

Watching his patient with the eyes of a hawk, Jungkook smirks suddenly, as if his intention is to unravel all that peace Taehyung has just found.

"Now that I've got you where I want you, should we actually talk about what's really going on here?" Jungkook peers closer and Taehyung feels strangely intimidated by the hints of hardness on the familiar face. The words sink in, followed by impotent confusion.

A gloved hand slides down to his crotch and over Taehyung's desperately hard cock.

He can't hold it in, a loud moan rips out of his wide open mouth and it ricochets around the room, to Taehyung's great embarrassment. There is nowhere to hide. He is forced to face his biggest fear and temptation in one.

"There was me worrying you were scared, but you are feeling quite the opposite, aren't you, Taehyung, hm?" Jungkook taunts.

The tone makes Taehyung squirm against the ties, a pathetic puff sounds from his throat where the saliva is already desperately gathering. He tries to see what Jungkook is doing, when a sound of an opening zip gives away his actions.

"Oh dear," Jungkook almost chuckles, "What do we have here?" Nimble fingers dig out Taehyung's hardness until it's out and vulnerable under the light, helpless, just like its owner.

Sinful, shameful sense of pleasure permeates every single pore of Taehyung when a gloved finger spreads the damp leaking out of him all over the swollen tip of his cock until it throbs and a plead dances all over his lips – if only he were able to say it, he probably would.

"Oh, but I almost forgot." Jungkook stops and shifts further up the treatment chair. He picks up an implement in each hand from the tray leaning close to Taehyung's face. "You wanted me to check your teeth."

Taehyung has met this Jungkook before, this depraved, ruthless, dominant Jungkook – but only in his daydreams.