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Tobirama watches his prey, he takes in the view of the trembling body upon the sheets, sliding his hungry gaze from the black disheveled hair to the firm curve where the buttocks begin to form. There he is, Izuna Uchiha lies splayed face down on the enemy's bed, his swollen lips stumped on the same spot where he's been mercilessly hammered into oblivion. Tobirama can't help but feel a surge of triumph washing over him, though he doesn't mock his rival, it would be offensive, dishonoring to the man whose torture must be already too dreadful to bear. He leans down to cup his fine jaw between his fingers, Izuna as expected tries to spit in his face but the attempt proves to be pointless. He is too dehydrated and exhausted to try something else. Tobirama doesn't waste such opportunity. He bites into the reddened neck leaving obscene marks of teeth. With his fingers he follows the trail of blood going down the shoulder blade. The flavor is sweet. His breath hitches as their bodies collide, moving with an awkward pace. Trying to get away from the pressure of his weight his rival moves beneath him, another useless attempt. Tobirama grabs him firmly by the neck and starts to push faster as he can see his contorted face.
Izuna has never been boastful about his own looks, in fact, he was mostly careless of many details regarding his appearance, too wrapped up in neat fabrics he never showed more than a glimpse of what Tobirama fantasized about undressing to the bone, as if his pulchritude was nothing but another feature to bare with and to master only for himself. Tobirama never thought about anyone the same way as with him. He got scared by this fact, convinced at first that with time the obsession would eventually recede, but his delusions broke themselves in the most pathetic way and as time passed the visions became stronger. Every technique was created only to annihilate his now war prisoner, but the simplest miscalculation turned into the most enthralling battle he could experience, to improve, to use, to be used.
He was being eaten from the insides, and as hard as we works, as it seems is never gonna be enough.
With Izuna is simply not enough. He isn't yielding as he wishes. Not even all these years of clashing their swords have been enough to reduce his damned love for the Uchiha, his spirit isn't diminished and no matter how many days pass in this poor attempt of submission, Izuna faces him and all scenarios with plain indifference. Tobirama is as much as relieved by the fact that his seals are working as he wishes for him to beg and succumb.
That's not happening any time soon.
Every time Tobirama thinks he returned the stone, Izuna gets up to lick the corner of his mouth, spits in his pillow and washes himself as if he owns the room.
Tobirama will never get tired of the verge of their synchronized orgasm, the flavor of his seed, the touch of his rough fingers, the chiseled chest nor the soft lines of his muscles, the dark hair as the night cloak, how he pants shamelessly against his earlobes.
Nothing will compare with it ever.
He grabs his prisoner by the knee dragging his weight like a feather on a water surface, his cock swells as soon as it starts to hammer between his legs in an uneven rhythm. The sensation is so good that Tobirama has to bend over Izuna's face to see all possible reactions, their foreheads touch and he cannot see anything else than black orbs luring him to a deep endless void.
This is good.
This is too good to be true.
He knows the feeling.
It gets empty in the head.
Genjutsu.
When he wakes up from such a vivid dream the battlefield is full of mutilated corpses, between the mug and the blood splashed over the grass is hard to tell which belongs to which Clan. He senses Izuna's presence somewhere but it's far from his position, he's probably at his brother's side calling for retreat due to the Uchiha's chakra quivering, getting away from his range.
As Hashirama reaches for him he is quick to scan his body for serious injuries. He finds nothing except for Tobirama's lost gaze.
Izuna's back is imprinted in the back of his eyelids. Izuna turning his back on him, every single time...
He needs to see him again. He needs to feel him again. In his mind there's no place for anything else besides one specific name. Izuna Uchiha is soundless on his lips. This man corrupts him. He took every single trace of sanity to turn it into lust and cruel nightmares, after which he wakes up alone, guilt washing all over him. Tobirama knows this must stop now, the illusions, the dreams, the seed, everything that is so damn wrong and must end but he keeps craving for more.
The Hiraishin is in its final stance to be a perfect technique.
Next time when they clash again Izuna Uchiha will fall and Tobirama will be more than ready to bring him back to have only Izuna for him.
A quick movement through flesh and bones and they will remain.