Harry checked his favorite book out from the library—a book about dueling that, although it didn't have any spells, gave plenty of tips and tricks—and began the arduous climb up the Astronomy tower.
It was late, already evening, but he'd actually never been up there so early. Since Astronomy classes were held in the middle of the night, he'd never had any reason to. But he wasn't here for regular classes. No, it was time for his first detention with Professor Sinistra.
It was really only going to be detention in name only, if Harry understood what the beautiful dark-skinned teacher had been hinting. Snape gave him detention, and Sinistra said he could serve it with her, just to get him away from the biased Slytherin. Harry was appreciative. He planned on having a quiet evening of reading, and heading back to the Gryffindor common room once he'd served his time.
Instead, he found two other students waiting inside Sinistra's classroom.
Each of them was sitting at a different desk, both on opposite sides of the room, trying to put a maximum amount of distance between themselves. Harry knew both of them intimately. The one in Gryffindor robes like his own was Romilda Vane, the fangirl whose brains he'd banged out at that orgy recently, and the other was none other than Tracey Davis.
Professor Sinistra herself was sitting at the front of the classroom. She had her legs crossed, and was doing some kind of reading of her own. She looked up when Harry entered.
"Harry!" she said. "Take a seat anywhere! These two are here to serve detention as well. Just pay them no mind."
Romilda was looking at him a bit nervously. Tracey was smirking. Harry picked a seat directly in between the two of them, not any closer to one or the other.
He really did want to get some reading in. And besides, he wasn't sure if he trusted these two. Tracey never got detention ever, to his knowledge, and Romilda happens to get one as soon as Harry was going to be here?
Harry had just finished reading a single page when a balled-up paper hit him on the cheek. When he looked up, Romilda was gesturing him closer with her finger.
He shook his head and looked down again. Hermione had given him a nice blowjob an hour ago. He wasn't going crazy with libido, so he saw no reason to play this game right now. If Romilda wanted something, she could come and ask in a more private setting.
Movement from the other side of the room caught Harry's attention. Tracey had dropped her quill on the floor, accidentally knocking it off of her desk. She bent in her seat to get it. The motion caused her robes to go taut around her excellent backside. It would be rude of Harry not to look.
Tracey recovered her quill. She rose and turned back, looking straight at Harry, and chewed the end of her quill with a suggestive smile.
Forcing himself to focus, Harry returned to reading. It didn't last very long. Another crinkled piece of paper hit his face.
He looked up again, ready to shut Romilda down, only to freeze.
Romilda had her hands hooked in the collar of her robes. She'd dragged them down, and even flipped up the bra underneath, giving Harry a clear view of her darkly colored and very stiff nipple. She chewed her lip. Sinistra looked up, and Romilda released her robes just in time to hide what she had done.
"Is something the matter, Harry?" Sinistra asked.
"No Ma'am," Harry said, hearing Romilda start giggling.
She sure was cheeky. He was going to have to give her a lesson it seemed, just to remind her of who she was messing with. Of course, the effect of a lesson would be somewhat ruined by that being exactly what Romilda was hoping for.
He looked away, trying to avoid the eyes of the professor. This happened to make him look at Tracey, though, which proved to be a mistake.
She wasn't as blatant as Romilda. Instead, without looking at Harry, she shifted her robes and pushed her pants down. All she showed him was her hip, but that was enough to display a key detail: she had no panties underneath.
Harry nearly growled. Seriously, these girls!
He forced himself to return to his book and not to look up. It was a bit hard to absorb advice about the best place to look in a duel when you had temptresses on either side. Harry wasn't used to being the one getting teased. Usually, he would've pounced on the girls already. But this was detention! There was no way he was going to act out when Sinistra had gone out of her way to help him.
Suddenly, a chair scraped back. When Harry looked up, Sinistra had stood up.
"I have a short meeting with the Headmaster," she announced. "I'm sorry, Harry, it slipped my mind when I was choosing a time. Will you three be alright on your own?"
"Yes, Professor," Harry said. "We'll be just fine."
He smiled innocently. Sinistra gave him a grateful smile.
She walked from the room. As soon as Sinistra was gone, Harry said, "So what are you two here for?"
"I fell asleep in class," Romilda said. "For some reason, I was up incredibly late one night, and had trouble waking up again to make it to this class."
Harry had a feeling he knew which night that was. "And you?"
"I'm a Slytherin!" Tracey said with ironic sincerity. "Don't you know what troublemakers we are?"
"Uh huh," Harry said.
"I forgot to do my homework," Tracey said. "Professor Sinistra was of course unable to overlook that. She had to call me in tonight. So unlucky!"
Tracey slapped a hand over her forehead in an obviously exaggerated manner.
"How do you two know each other? Romilda demanded.
"Wouldn't you like to know?" Tracey said, before turning right back to Harry. "I heard from Griphook. You've had a very good week! In the last seven days, you've made over a hundred Galleons."
"I'm sure that's all because of some very wise investments," Harry said.
"VERY wise," Tracey agreed. "If I were you, I'd give your financial advisor some kind of reward. You know, just to keep her motivated."
Harry glanced at the door. It was a long walk to the Headmaster's office, not to mention the time a meeting would take. They had time before Sinistra would return. It would most likely work out.
Besides, these girls had been BEGGING for it.
"Very well," he said. "Get over here and take your reward."
Tracey shot up while Romilda looked scandalized.
"Are you saying SHE handles your money?" Romilda demanded. "She's not trustworthy! She's a snake! She'll run off with it, Harry!"
"Don't worry, Romilda," Harry said. "I have her on a very firm leash."
He stood up as Tracey approached him. When she entered his arm's reach, he grabbed her curly hair, pulling her along by it. He dragged Tracey down, pushing her onto her knees. Tracey giggled.
"Romilda!" Harry said.
Romilda jumped. "Yes?"
"Get over here," Harry said, "and get my clothes off for me."
Romilda rose on shaky legs. She walked closer, and when she got to Harry, began undoing her robes. Harry watched her impassively, still holding Tracey down.
When Romilda freed him of his pants, Harry took his erection in his hand, aiming it down.
"Thank you," Harry said. "For doing that, you have permission to enjoy yourself while you watch.
He grabbed Tracey's robes and began tearing them off of her. It was nothing a repairing charm couldn't mend, but it fit the atmosphere better than gently removing what she was wearing. Tracey gasped as her dark body was revealed. Harry rubbed her pussy with his thumb. Gradually speeding up, he made sure that her entrance was nice and wet, before getting a grip on her and angling his dick toward her pussy.
Romilda meanwhile had climbed on top of the desk Harry had been sitting on. She pulled off her own robes, jamming her hands into her crotch to finger herself. Her breath was turning husky as she watched Harry begin to fuck the Slytherin in front of her.
Harry grabbed onto Tracey's fat ass. It wasn't as big as Sinistra's, but it was still extremely nice. He sunk his fingers in deep, while also sinking his dick into her pussy.
"Good girl," he praised. "You did your job well. Do you like your reward?"
Tracey moaned. "I love it," she said. "Use your advisor for ALL your needs."
She arched her back with perfect form. Like a good little Slytherin girl, Tracey knew how to use her body as just another tool. She wanted to be useful to Harry for her own benefit… one of those benefits being the massive cock that was currently messing her up.
Harry felt Tracey squelching around his meat. She was soaked inside, but just as tight as ever.
"Damn," Romilda moaned as she watched. "Damn!"
She groaned loudly and came on her fingers. Harry began to go faster, fucking Tracey at a rapid pace.
"Can't be taking too long," he said. "We'll have to get you cleaned up before the professor gets back. You understand, right?"
Tracey wailed something that sounded like she was agreeing. So Harry doubled down and made sure to finish.
He smashed against her from behind. The feeling of her ass was lovely, like he was smacking against a cushion every time he thrusted. Tracey orgasmed for him, tilted over the edge by Harry's aggressive pace. Harry came too; just before he did, he pulled out, angling his cock toward her back.
His semen landed across Tracey, while she slid down onto her stomach. Harry knew for a fact that she could go many more rounds, because they had before, alone in the Room of Requirement. But for now, in this situation, Tracey contented herself with this one round.
Harry stood and turned quickly. Romilda squeaked as he descended on her.
His arms grabbed her backside, holding her still. He used the remnants of Romilda's orgasm to thrust inside of her. Her eyes stretched open wide as she felt him thumping on her womb.
"Kiss me!" Romilda begged.
Harry did. Their lips melded together, while she wiggled into his arms. Harry could feel her whole body jolting each time he moved forward. The desk scraped across the floor, making a racket.
Tracey had retrieved her wand and vanished the cum that was pulled on her back. Once her robes were repaired, she approached Harry from behind, draping herself over his back.
"Look at this bitch," she said. "Look at that face!"
Harry broke his kiss. He looked at Romilda, her forehead wrinkled as her whole face flexed because of the pleasure. She was holding onto his sides, and he could feel her sharp nails against his skin, poking him. Whenever his dick completed another thrust, Romilda's nails would prod harder for a second.
"Cumming!" she moaned.
"You could absolutely ruin her," Tracey whispered. "But… we don't have time. So just give her a taste."
Just like he had while taking Tracey from behind, Harry sped up. As he went faster, his body hit Romilda's harder, making the desk she was perched on rattle back and forth. His grip on her ass held her up as he suddenly pushed too hard, sending the desk crashing over with a loud noise.
Romilda kissed him again. Tracey had moved on from whispering in his ear to biting his neck softly, her fingers massaging his back. Harry felt like the filling inside a sandwich, and it was wonderful.
He growled as his satisfaction escaped his glans. He'd pulled out just in time, squirting this load over Romilda's stomach. While she caught her breath, Harry vanished it, setting her on the floor and stepping back.
"Get dressed," Harry commanded. "We wouldn't want to give Professor Sinistra a shock."
"Why don't we?" Tracey whispered, still hanging off his back. "She's a beautiful witch in her own right. Ones her age are the best; they're desperate enough to let you do ANYTHING to them."
"Just help clean up this mess," Harry said.
Tracey wasn't wrong about the professor's beauty, but Harry had no interest in taking advantage of her. She'd stepped in to help him when he needed it. He wasn't going to do anything that would make her uncomfortable. Tracey pouted, before helping him gather his clothes.
The second Harry had his desk upright again and had sat down, the door opened. The timing was so perfect that it scared him. What were the odds of that?
"Did anything eventful happen while I was away," Professor Sinistra asked as she walked back to her seat, sitting down and immediately pointing her eyes toward the papers on the desk.
Harry just smiled.
"No, nothing out of the ordinary," he said.
And the neatest thing was, he wasn't even lying.
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