Unexpected, by Seeker. Rated NC17. Just borrowing, don't own them. Hopefully nobody who owns these characters will ever read it. I blame Alan Rickman for being so damned sexy.

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Thirty years as a Death Eater cum double agent and it came down to this. The venerated wizards and witches of Hogwarts scattered all over the Forbidden Forest, playing a deadly game of paint ball against their enemies with killer spells.

Snape shook off the distracting thought and dodged a burst of violent puce majick heading with deadly intent for his head. Too close. Flying without benefit of broom behind a nearby tree, he took stock of the battlefield.

Of course. The only one in sight who was nominally on his side was Harry Potter. Who was apt to deflect a death-dealing curse onto Snape out of sheer frustration. Perhaps he shouldn't have been so tough on the lad for the last decade or so.

Potter deftly warded off three spells, assorted hardware and a tree branch the size of a Great Hall Yule log without once losing his concentration or getting a scratch. Snape grinned internally. No, he'd done what he had to do, and Potter could handle anything thrown at him. Literally.

Then a flash of gold and crimson caught his eye, and he cursed fluidly, disaparating and reaparating between Harry and the spell. No one could stop that one. Leave it to Voldemort to play as dirty as one could get.

And catch Snape in the middle of it.

Fire hit him mid-chest, throwing him off his feet and spinning him round mid-air. The last thing he saw before the world drowned in pain was the look on Harry Potter's face.

Disbelief.

The last thought he had before his mind dissolved was, 'Of course he can't believe it. He never understood what I tried to do for him.' Then agony crashed over him and the last thing he heard was his own voice screaming.

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One would think after spending the last eleven years of his life consciously battling the ultimate evil, and the first eleven in hiding from it, he'd be used to it. But one never got used to such targeted malevolence. He hadn't ever grown accustomed to it from his Muggle family, unnatural as they were, or from Snape, regardless of his motives, and he certainly never became accustomed to the sheer hatred Voldemort and his followers held for him.

Concentrating fiercely, drawing on all the stoicism his difficult life had taught him, Harry fought off attack after attack. He could sense the desperation in his enemies, in large part from the increasing frenzy of the magickal and physical attacks centering on him. None were fatal, but all of them hurt.

On his seventeenth birthday, Voldemort had tried a direct assassination via magickal attack, and everyone had been surprised at its sheer uselessness. Since discovering that he couldn't kill Harry directly, he'd tried everything else in the four years since to debilitate, seduce or immobilize Harry. When none of them worked, he gave up on subtle and went for an all-out assault.

The denizens of Hogwarts were dealing with the fall-out from that now. Harry scanned the area quickly. He was deep in the Forbidden Forest, far from most of his friends and allies. Dumbledore and McGonagall were near the school, fighting off trolls and magickally animated hostile gardening tools, with Hagrid's help. It sounded ridiculous but it was a dangerous combination, rather like winged keys or animated chessmen. The advanced students were gathered in the main hall, combining their talents to buttress the walls against invasion, while the youngsters were hidden in the dungeons, warded by enchantment and guarded by ghosts. Most of the faculty were scattered between the forest and the school, battling the minions of evil one-to-one. The only ally in sight was Severus Snape.

What a surprise.

Snape always seemed to be there, making his life miserable when he wasn't saving it. At the moment his mouth moved as he cast spell after spell, his hands moving so quickly in the air they were a blur, eyes locked on Voldemort's followers. Before Harry could get distracted by the usual attack/protect conundrum of his relationship with Snape, which had gotten progressively worse since attaining his majority, a tree branch the size of a boat nearly took his head off. Biting his lip, he glared at the branch and it burst into a puff of ash.

Then spells were zinging in at him from all sides again and he lost sight of Snape in the heat of battle. Until he heard, "Bloody hell!" and out of nowhere Snape materialized in front of him. Just in time to get hit with what looked like a cannon ball of a spell. Harry stared in horrified fascination for a moment as Snape's entire body seemed to expand and contract with the sheer power of the spell, his screams echoing in Harry's ears, his eyes pinning Harry in place. There seemed to be a plea in them, to make the sacrifice worthwhile, and Harry felt his own scream bubble up out of his chest. Of rage, not pain.

Snape's agony made an effective distraction to the attackers. Gathering every ounce of his considerable power, Harry called on the universe itself to send the cancer of Voldemort and his followers to hell where they belonged. For once, the universe answered.

By the time the silver sparkles cleared in front of Harry's eyes and his palms stopped burning, the forest was conspicuously free of any evil presence. Charred spots in the underbrush, along tree trunks, even in some upper leafy branches, attested to the passing of Voldemort and his crew in a blaze of retribution. Harry felt two hundred years old, not twenty, and as if he'd not slept in at least a century. Staggering slightly, he wobbled over to Snape's body, lying sprawled on the ground, and fell to his knees beside the corpse.

Who groaned.

Harry nearly jumped out of his skin. Apparently Snape wasn't as dead as he'd feared. Even magickal immersion couldn't kill him off. Gingerly, Harry placed a hand under Snape's shoulder and gently turned him over onto his back.

Then he stared, fascinated, at Snape's face. Snape's *young* face. The scowl lines and permanent frown were gone. The sallow skin actually had a flush along the cheeks. The thin lips were softer, and the lank hair had a sheen to it Harry'd never seen before. He touched the fall of fringe across the high forehead, surprised at its silky feel. His hand, of its own volition, traced the rounder lines of Snape's cheek, the line of his jaw, the firm neck.

Leaning over to get a closer look, Harry finally realized what had happened. Since Voldemort couldn't kill him directly, he'd tried to do it indirectly, with an age-reversal spell that would take a good quarter century off, effectively erasing him from existence as it took him to a time before he was born. Only Snape had flung himself between Harry and the threat, and borne the brunt of the curse.

Grinning slightly at the startlingly attractive, now-young man inches from him, Harry couldn't help but think the curse had turned out to be a blessing.

In that instant, the long dark lashes he'd been staring at flew open, and bright brown eyes stared back at him, unfocused with shock and lingering agony. Of course. It must have been brutally painful, as every cell in his body was instantly transfigured, regenerated and rebuilt. Then those eyes snapped back into focus, intensely, on him, and the strangest thing happened.

Snape smiled.

Then he kissed Harry.

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He must be dead.

Yes, that must be it. He must be dead, and there was a God, and he was being rewarded for all his empty years playing the villain by being embraced by Harry Potter.

No, wait. That wouldn't be heaven. That would be hell. Because Harry was a student. Who hated him. Who was convinced he was hated in return.

But no, that couldn't be right, either. Harry had graduated, was gone from Hogwarts. No, he'd come back. To meet a final threat. Yes, that was it.

Snape's memory was fuzzy, but it was clearing as he lay there, weirdly enough cradled in Potter's arms. Underbrush crackled beneath him, his head was muzzy from the lingering aftereffects of whatever spell -- or lorry -- hit him, and every inch of his skin tingled. He felt more alive than he had in decades, so he couldn't be dead.

And if he wasn't dead, he wasn't in heaven *or* hell, Harry Potter wasn't his student, they'd somehow survived the final assault, the forest was bright around him in a way it hadn't been since he'd been a boy himself, and he felt vaguely drunk. Potter was close enough to touch, so he did.

With his lips.

It was insane, of course. Even beyond the barriers of age and hierarchy, there was still the lingering question of past emotional abuse, no matter how noble the cause. Unfortunately, he couldn't seem to convince his body that it was a bad idea to be kissing Potter, and Potter didn't seem to mind, either.

In fact, he was actively participating. Kissing him back. Not like an amateur, either. With enthusiasm. Feeling an inexplicable urgency he hadn't felt in a very long time, Snape opened his mouth and let Potter at him.

Got more than he bargained for, too. The tongue stroking along his knew what it wanted, and he echoed the sentiment. Strength surged through him and he curled his arms around Potter's back, shifting and rolling them over until he could comfortably blanket the warm body with his own. It amused him momentarily that Potter was an inch taller than he; he'd been glaring down at the boy for years, and he wasn't used to their positions being reversed. Then Potter thrust up against him, pressure of a firm erection bumping against his own, and he lost his train of thought.

Robes were in the way, and soon shed. Trousers followed, shirts rucked up and underpants tugged down, and Potter's hand on his skin felt like perhaps he was in heaven after all. He broke their kiss to gasp for breath, and tried to mutter a protest when Potter drew away, until Potter's mouth replaced his hand, and the protest strangled before it could be uttered.

Whatever he'd been doing when he hadn't been doing his homework had certainly paid off. It hadn't *all* been fighting evil.

Mind zipping to Ron Weasley and away again just as quickly, Snape managed to untangle one hand from the grass he was clutching and reach for Potter's head. Whether to push away or pull closer he didn't know, and had no time to decide, because his orgasm was upon him, and Potter wasn't letting go. Snape's scream was much quieter this time, no less heartfelt but much more pleasurable than earlier.

Gentle hands held him, soothed him, and nudged his legs apart. Staring dazedly up into Potter's flushed face, an expression of concentration in the glittering green eyes staring back at him, Snape barely had time to blink before Potter was nudging his thighs back together and thrusting between them. The friction against his recently emptied testicles bordered on pain, but Snape had never been one to shy away from pain. In his private moments he'd been known to enjoy it, and this was an oddly private moment for a shag session in the middle of a forest in the aftermath of an epic battle.

So he drew Potter's face down to his, held the shaking body close and kissed him as he shuddered through his climax. A last gasping moan into his mouth, and Potter collapsed against him, tension draining from his body as he fell into sleep.

Snape was almost as exhausted, from the battle and the unexpected sexual encounter, but the aftereffects of the spell were energizing him. He lay there for some time, enjoying the weight of Potter curled atop him, until he started to itch in places he didn't appreciate scratching. Sighing in mild disgust, he carefully shifted Potter onto his side on their bunched robes. Potter twitched once, then settled deeper into sleep. Snape stared at him a moment longer, then pulled himself up and headed for a nearby stream.

He kept Potter in sight as he washed, wincing at the cold water but enjoying the slight sting. Instinct told him the war was truly over, but he'd been on guard so long, and guarding that particular young man so long, it was ingrained by that point. Finally tearing his eyes away from Potter's sleeping form, he splashed water on his face and glanced down into the little pool of still water by the bank where he crouched.

What he saw startled him so badly he nearly fell in.

Impossibly young. Nearly as young as young Potter. He blinked. Shook his head. Narrowed his eyes and glared at his reflection.

The boy in the water glared back at him.

His eyes widened of their own accord. That had been one hell of a spell. A rustle behind him made him freeze, and he saw Potter's uncertain face peering down at him over his shoulder. Snape took a deep, shuddering breath, feeling an odd burning in his cheeks. The uncertainty on Potter's face melted into a strange mixture of defiance and lust. Snape glanced down at his reflection again and set his jaw.

Yes. He *was* blushing. He hadn't blushed in decades. His teeth ground together. Closing his eyes briefly, he opened them again with renewed determination. Rising, circumnavigating Potter carefully so that they didn't actually touch one another, he stomped as well as he could, being completely nude, over to their clothes. He dressed quickly, ignoring his trembling hands, trying to ignore Potter dressing equally as quickly less than a foot away. Watching him.

Shaking out his robe, tossing Potter his, Snape told the fabric bunched between his fists, "We must never do this again. It is *wrong.*" He risked a glance at Harry, paused with his robe falling off one shoulder. Snape's fingers tightened against the strong urge to strip the robe right back off again.

The shoulder shrugged. Snape's fingers clenched harder.

"I've been breaking rules all my life," Potter told him softly. "I'm not going to start following them now."

Stepping forward, he gently tugged the robe from Snape's hands and helped him into it. Snape stood there and allowed it, feeling strangely helpless. Before he could form an adequate response, the sound of familiar shouts and trampled brush alerted them to an incoming rescue party. Snape bit back a growl, and warned, "We'll see about that!" as he glared as coldly as possible at Potter.

Potter, damn him, grinned at him. Broadly. "The Glare worked better when you were old enough to be my father. And when I didn't know what you look like naked. Now we're of an age, I think it's cute."

Then he blithely pecked Snape on the lips and turned to stride off toward the Hogwarts contingent, calling out to them joyfully. Snape watched him go, the glare down-scaling to a bewildered stare. Eventually, he gathered himself enough to join Potter, regaling Dumbledore with a carefully edited rendition of the day's events, ignoring the outcry over his own changed appearance. He stared at Potter from under his lashes, caught between revulsion at being thought cute by anyone and the sick conviction that this was one battle he was doomed to lose.

At least losing this time wouldn't doom the world to evil.

He hoped.

The End