Nymphadora Tonks had plenty of time to think while she was on guard duty.
It wasn't like there was much to the job. She just sat there in a bush for six hours straight, every other night. It was cold enough that she needed a warming charm every fifteen minutes, despite it being the middle of summer. The entire street was extremely muggle. Tonks didn't mean that in a bad way exactly, but it did mean that this job was mind numbingly boring.
Of course it was important. You Know Who was back and acting in the open again, after even the Ministry was forced to acknowledge his return. The boy who first brought news of it was the one Tonks was protecting. He was also at the root of most of those thoughts spiraling through her cranium.
Tonks wasn't a fool. She saw the way his relatives treated him, and she imagined that had only been worse before, when he was a child instead of a tall and well-built eighteen year old boy. It was downright criminal, in her opinion, and the fact that he put up with it at all made her respect for him skyrocket.
It wasn't like that was his only trouble either. From the bits Tonks caught off other Order members, every single year of school saw his life threatened in at least three different ways. He'd fought off Dementors, slain basilisks, and outed two different dark wizard professors. It sounded like a storybook. But it was Harry Potter's real life, and despite everything, he had come out the other side in one piece.
So what was his reward?
His Godfather, the closest thing he had to family in the whole entire world, catching a spell to the chest and ending up stone dead.
Tonks had liked her uncle a whole lot, which made him the only extended family she could say that about. He'd always been a good laugh, even after he got a touch crazy after Azkaban. She was mourning Sirius herself. But she as doing it with her mother and father, like an ordinary family could. What was Harry doing?
Bottling it all up and trudging on with his life, as near as Tonks could tell. He worked out daily, and perhaps that helped some, but Tonks thought that was no substitute for a bit of warm affection from another human being.
She was willing to do it herself, and if it hadn't been for Dumbledore telling them explicitly not to approach the boy, that's exactly what she would have done. She couldn't understand why such a rule existed. But at some point, in all that sitting around and thinking she was doing, she did come up with a clever little way around it.
If Nymphadora Tonks couldn't approach Harry Potter, then she wouldn't be Nymphadora Tonks. Nobody would even know anything happened, including Harry himself.
But hopefully, she'd be able to ease his worries just a little bit.
Harry awoke to something wet, warm, and utterly delightful.
He jolted in his bed, which was too small for him now. It had fit him perfectly just six months ago, but since then he'd reached maturity all in one sudden spurt, shooting up multiple inches in height and instantly filling out with a hearty helping of muscle. Hermione said that was natural when he wrote to her about it, that wizards and witches often experienced such sudden changes around their eighteenth birthdays. Maye he was imagining things, but he could've sworn Hermione's handwriting had been particularly scrawled on that letter, as she responded to news of his growth. Almost as if she were writing with her left hand…
Returning to the issue of Harry's cramped bed, the young man quickly found the problem exacerbated even compared to normal. The springs groaned, and you could hardly move in any direction without bumping something, because there between his legs was a girl.
Be huddled girl, bent forward on her knees. A beautiful girl. A very naked girl.
Cho Chang, Harry's long-term crush, giggled in that cute voice he could never completely get out of his head.
"Did I wake you?" she asked.
"Duhhhh," Harry said, a rather stupid sound emanating from his lips as his brain worked in overdrive to catch up with what was happening.
Cho giggled again and dropped her head.
Her lips slid as far as they could possibly go down Harry's shaft, working faster than the rest of her head could follow. The result was both her cheeks hollowing. Tiny little tears collected in the corners of her eyes as she took Harry's cock, which had grown exactly in proportion with his body over the last few months, all the way into her throat. Harry groaned, leaning back against the headboard as the feeling of his manhood battering the sensitive skin deep in her mouth overwhelmed him.
Cho's perky breasts swung as she pulled her head up and down, repeating the motion with impressive speed considering how much he filled her mouth. He never felt her teeth graze him. She was exactly as good as Harry always imagined, both in her sultry skills and in her raw beauty, her gorgeous face lit by moonlight flitting in the open window.
She was just as good as she was in his dreams because this was a dream, Harry decided then, and felt quite confident in his conclusion. Cho lived the length of the country away, and although he considered her a friend, it was not like she would appear suddenly in his room one night. It was impossible, which made this a dream.
A particularly vivid, utterly enthralling dream that carried sensations the likes of which Harry had never felt before. All in all, he thought he deserved it. Every other vivid dream he ever had was through the eyes of Voldemort, and ended with his scar bleeding and his pscyhe strained. This was a very welcome change of pace.
Cho's hands landed on his upper thighs. They squeezed his large, firm quad muscles, and with them acting as a stand she was able to suck him off with even more energy. Soon her moist throat was beating against the tip of Harry's cock faster than he could draw in a single breath. Harry wanted this to never end, but considering he had only ever known the feeling of his own hand before this, it was only a matter of time before it happened.
Harry came inside Cho's throat. It was an absolutely massive release, stored up over weeks. Cho immediately gagged on the load. She pulled her head up off of his cock, cupping her hands under her mouth as a white waterfall cascaded out. She coughed, those small moist spots at the edges of her eyes having grown into full-blown tears, and worked to get her breath back.
"You didn't swallow it," Harry said, unable to keep his disappointment out of his voice.
It wasn't like that was the most important bit or anything, it was just how he'd always imagined it. He wanted to see her pale, thin throat bulge as she imbibed his seed.
Cho's eyes widened.
"Your wish is my command," she intoned awkwardly.
She brought her cupped hands, still filled with a pool of his sloshing semen, up to her lips, tilting her head back. A bit of it missed her mouth, dribbling down her cheek, off her chin, and landing on her right breast. The rest went straight down her mouth. Harry watched exactly what he wished for, and by the time it was done he was completely erect once more.
As the taste of his sperm ran through her mouth Cho had winced slightly, flinching at the bitterness, but now she smiled again.
"Lie back," she urged. "Come on, Harry. Let's make this special."
Feeling rather dazed, Harry did as he was asked.
He slid back, pressing his back to the cold wooden headboard. It was all happening so fast that he'd not even shed the t-shirt he went to sleep in, and his boxers were still stuck around one ankle. Cho pushed herself up on her knees and waddled forward, giving Harry exactly the kind of look at her body that he always fantasized about.
She had perky breasts that were still a handful each, tipped with dark purple areolas. Her body was remarkably pale beneath her clothes. That made her crotch stand out, with its patch of dark pubic hair. Cho reached down, running two fingers between the puffy lips of her womanhood, before spreading them.
"Fill me up, Harry," she begged.
She sat down hard.
Her knees were on either side of his hips. Her vagina plunged down on his cock, sucking in half his length in an instant. It was just as wet inside as her mouth, and ten times as tight.
Harry shuddered. He imagined that when she took all of him it would be the best feeling he'd ever felt. Unfortunately, it would be a bit of time before he could find out.
Halfway down his shaft, Cho's downward momentum slowed to a crawl. She fought for a few more centimeters, but then even that stopped. He heard her groaning as she strained to push herself down. She just didn't have enough force to jam all of his large cock inside her small body.
"Touch me Harry," she urged instead.
Despite his slight disappointment, Harry wasn't going to ignore an offer like that. His hands grabbed her breasts as eagerly as if they were golden snitches. His fingers groped her with all the strength his new body possessed. Her flesh bulged between his fingers. Cho tilted her head back, showing off her pretty sharp jawline.
"Just like that~" she moaned.
With or without the encouragement, Harry hadn't possessed any plans on stopping.
His hands slid around her sides to her tight bum, built up to eye-catching proportions by years of rigorous Quidditch training. It was her best feature. Harry grabbed it now, pulling her cheeks apart and squeezing them tightly enough to leave handprints.
While he felt up her body one asset at a time, Cho had begun flicking her hips. She still couldn't take his whole length, but she was doing her best to make up for that with technique. It did feel good. Harry just couldn't shake the thought of how much better it would feel if he were all the way in.
It seemed awfully unfair, just like it had when she didn't swallow his load. Why would a dream like this come with limitations?
Unless…
Cho moaned. She placed her hands on either of his shoulders, clenching her fingers until her nails brushed his skin. Her body was still rising and falling. One of Harry's hands returned to her breasts while his other remained on her backside, allowing him to grope both at his leisure.
Despite the pleasure, he didn't feel as if he couldn't think. His head didn't feel cloudy at all anymore. A plan began to come to him then, and he realized with a great start that there was no downside into putting it into practice.
His hands moved again, this time finding Cho's narrow hips. She hardly noticed, too preoccupied with the feeling of him inside her. Her hips were shaking up and down in sharp flicks.
Harry froze them in place by flexing his arms. Cho looked confused, then let out a loud exclamation as he spun her around.
Suddenly that wonderful ass was facing him, along with her dark straight hair that hid much of her wonderful figure. Harry pulled her towards him then as he rose onto his knees. Soon Cho was lying stomach down, completely prone.
"What are you doing?" she exclaimed.
Harry moved his hips, rubbing his swollen cockhead against her quim to refind the entrance, a sensation that made Cho tremble despite her confusion.
"Well, it seemed like you were having some trouble," Harry said, "and I got to thinking, 'If this is a dream, what am I doing sitting around passively like this?'"
He felt her whole body tremble underneath him. With a tremor in her voice, she said, "You can't mean to…"
"If you can't fit it yourself, I'll help you!" Harry announced happily.
And he clapped his hips against her sinful ass with one great thrust. His cock that Cho hadn't been able to push past halfway on disappeared inside her in an instant. She screamed so loudly that Harry was sure the Dursleys would come running if this were real, but no fat heavy footsteps echoed outside the room, so he chalked that down as yet more evidence of this being a dream.
As he plowed her from behind, he noticed something peculiar happening.
Cho's hair began lengthening and shortening. Her skin would become darker one second, then lighter again the next. Her ass even became petite for a moment, then became large and extra cushiony. Her chest elevated as her breasts swelled in size.
"I'm cummmminnnnnnnng~" she wailed.
The changes sweeping her body leveled out. Her breasts remained longer than Cho's, while her ass shrank a tad, still filling out nicely underneath Harry. Most strikingly, her black hair shrunk and turned a hot shade of pink.
Harry reached around, grabbing her by the chin and pulling her head back to get a look at her. The pretty face he found didn't have the slightest hint of Asian features.
The pink-haired witch shuddered, although Harry couldn't tell if that was from the surprise of being caught, the last shockwaves of her orgasm, or his cock still deep inside her.
"Hello there Tonks," Harry greeted.
"Oops?" she said.
Harry pulled her back further, until her whole body was in the shape of a crescent. As a Metamorphmagus, she had total control of her body. It was how she impersonated Cho, and it explained the perfect tits sitting on her chest now that she'd returned to her usual form.
"So," Harry said, "do you like the feeling of my cock?"
"I loooove it," Tonks moaned honestly.
"Then be a good girl… and take it."
Harry reared his hips back and smashed into her deeply again. Tonks's moans started back up, now in her own voice. She was free to use her powers, now that they weren't busy impersonating Harry's crush, and she made liberal use of that as she reshaped the insides of her pussy, custom-fitting it to Harry's hulking manhood.
"You are the best hole ever," Harry grunted.
Tonks grew her ass, giving him more cushioning to beat his pelvis against.
Knowing it was the gorgeous older Auror from the Order that snuck into his room rather than a dream certainly confused Harry. He never expected her to see him this way, and attributed it to his sudden growing up. But he certainly wasn't going to stop, and if anything it added a new layer of eroticism.
He wanted to ruin this cheeky girl in a way that she (and her body) would never be able to forget.
His hands left her chin, grasping her breasts instead. They were twice the size they had been, with the best shape humanly possible. Before her head could loll forward without his hands holding it in place, Harry kissed her, shoving his tongue straight down her throat.
They were still in that position when he came inside her, spewing a load the same size as the first one all over the insides of her pussy.
When he let go and pulled himself out of her, she fell forward on her face, lying their as unresponsively as an Avada Kedavra victim while his semen leaked from her snatch.
"So," Harry asked with a grin, "how often are you on guard duty, exactly?"
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