Horndog
Copyright© 2025 by MrPlotThickens
Chapter 2: Family Tensions
Erotica Sex Story: Chapter 2: Family Tensions - Watch as Sirius navigates his way through the Hogwarts of the old days and the new. The way to a man’s heart goes through his belly, and the way to a woman's heart goes through her cunny—Sirius chose to live by those ideas.
Caution: This Erotica Sex Story contains strong sexual content, including Ma/Fa Fiction Fan Fiction High Fantasy Mystery Paranormal Magic Transformation
“Umh ... Ah...”
“Raise your hips.”
“S-Sirus! Not that har—OH!”
Sirius didn’t care. He was lost in lust, slamming his length into Alice’s warmth.
Her skirt was thrown down to her ankles while she covered her mouth with one hand, trying not to cry out in ecstasy. Her other hand took the support of the cupboard’s inner walls. Her ass facing Sirius, she raised herself on her toes to greet his movements.
Both of them had arrived well before charms class started. So, they decided to use the sizeable empty cupboard to the fullest. It wasn’t too big, but enough for both of them to satisfy each other while standing.
“I’m close,” Sirius grunted, pushing his length inside. The slimy nectar from their wild quickie splattered the base of the cupboard. But without care, he only tried to push harder to reach any remaining inch of her depth. His hands kneaded her ample, handful breasts in the meantime, and his face nestled at the back of her neck, licking her to arousal.
“Me too...” Alice moaned.
Sirius felt her contracting and pulsating walls around his girth. She was close, and he was too. His own climax built up as he sensed his throbbing head getting hotter.
“Alice ... In the mouth like usual?” He asked as he stopped kneading her mounds and wrapped his firm arms around her waist from behind, pulling her ass onto his cock, pushing even deeper into her pussy.
“Ah, oh, ummm ... Sirius...” Unable to form sentences as she enjoyed it too much, she took short, fast breaths. “C-Can’t turn ... In here...”
Sirius already had an idea of what to do. He started to thrust faster, pulling his length back to the tip and slamming it back each time. Her toes almost left the ground with each shove. She arched her chest forward to take in all of him.
He had done it too many times with her already, but it never got boring. She knew how to welcome him into her paradise with fine, subtle, circling movements.
The wet noises of their sex echoed inside the cupboard as muffled sounds. Claps came as his cock met with her delectable snatch. He held her body firmly onto his own, almost squeezing her belly enough that she felt his movements, sticking his sweating abdominal muscles onto her. It aroused her even more.
“Ah-aahh! I’m coming, Sirius...” She squealed before covering her mouth with her hands.
Alice’s hips tremble, and her wet walls squeezed around Sirius’ cock. She gasped with great shuddering, clenching spasms. Sirius felt as if he was being squeezed dry within her, releasing multiple pumps of his own seeds.
Both of them came at the same time. Hot juices spilled out of the tight gaps, trickling down her thighs and onto the baby-blue panties around her ankles.
“Heh...” Alice giggled after she sensed his body was relaxing while she was almost weak in his arms. Sirius felt his throbbing shaft inside, pulsating with every twitch of her walls.
To tease him, she wiggled her soft, plump ass a bit more and earned some groans from Sirius.
“This never gets boring ... But you know the deal.” Alice said with a lethargic, yet erotic tone.
Sirius grunted while retreating from her warmth. He slipped out of her while earning another soft, yearning moan from her sweet lips.
“I know ... Longbottom won’t ever know. Your engagement is safe ... A waste of fine beauty, honestly.”
Sirius used his wand to levitate Alice’s skirt up to help her clean up. Then he also picked up his pants and fixed his shirt. It didn’t help much since they were sweating.
“Ugh...” Alice groaned. “I can still feel your stuff sliding down my leg. That’s why I prefer to swallow.”
Sirius chuckled and took out a handkerchief from his pocket. Being helpful, at least to someone he had fun with, he wiped her thighs. He slowly wiped with one fluid, yet gentle motion, from her calf to her core, earning another lustful hum from Alice.
They both smirked, knowing what kind of game they were playing. The one who broke down and begged for a fuck first was always the loser.
He cleaned her thoroughly, not forgetting to swipe her most secret place twice with a wiggle of his fingers. Though, he knew he had come enough to annoy her for the rest of the class.
Finally, they opened the cupboard and came out. The class was still empty, so Alice hastily fixed her long, dark-brown hair. “Do I look normal?”
Sirius smirked and came closer to her. His one hand coppered her waist, and the other cupped her breast, “You look like someone who just ... had the best ride of her life.”
Alice rolled her eyes and slapped his hand away, but not the one on her waist. Instead, she raised herself on her toes and placed her arms around his neck, “Still not satisfied?”
“Oh, I’m never satisfied.”
“Hmm ... I pity the girl who ends up with you.” Alice finally stepped away from Sirius to dry her sweat.
Sirius shrugged and did the same, “This ‘thing’ doesn’t have to end after you’re married, Alice.”
For a second, Alice paused and stared at him, “But it should stop ... Shouldn’t it?”
Knock!
“What should stop?”
Alice and Sirius looked at the door, and there stood James Potter, smirking but for different reasons. For the past two months, he had a constant smile on his face.
Sirius folded his arms, “You should stop—We know why you’re so happy these days.”
“How is she?” Alice asked, being a frank common friend of them all. “I don’t see her smiling like you.”
I wonder why. Sirius jokingly pondered. I should teach you to better satisfy a girl instead. She wouldn’t be so easy for me to savour otherwise.
James scoffed and took a seat, “Such intimate matters should not be discussed openly. I’m going to marry her, after all.”
“...”
Sirius’s eyes widened, “What?! But it’s just been a few months. Are you sure? We’re not even graduated yet, Pron ... I mean James.”
James looked down and brushed his hair up, “I’ve actually liked her for years ... And she’s so perfect. I ... I love her, Sirius.”
What have I done? Sirius found himself speechless, with a tinge of guilt. I should have stopped after that day ... But why didn’t she stop me?
Sirius felt confused. Over the past few months, he had met Lily a few times in private, and he had explored her to his heart’s content. Of course, they called it practice, but they both knew they just wanted to shamelessly screw and get lost in lust.
I should talk to Lily before the Christmas holidays.
With that in mind, Sirius tried to meet with Lily over the next few days. However, she would always avoid him, refusing to come speak privately. They didn’t have many classes together by that point in their school years, so it was hard to see her at times. Even when there were no classes, she stayed busy in girl dorms or with James.
Before he could sort everything out, he found himself sitting in Hogwarts Express with James, Remus, and Peter. Lily chose to sit with her friends in another cabin, which he was honestly thankful for. James would have tried to act all lovey-dovey, which would have felt awkward.
...
The train eventually reached London, and from there, Sirius headed to his home through magical means. Which was basically apparating away, something he had only learned recently. It was dangerous, but who was going to stop him?
You can do it, Sirius. Don’t be scared of that ugly woman. Sirius muttered to himself before knocking on the door. He knew what Walburga’s reaction was going to be, and he hoped that she’d at least listen to him.
“Master Sirius~” Kreacher opened the door and greeted in his groaning voice.
Sirius usually ignored the house elf, but he didn’t want any enemies, “I’m famished, Kreacher. Can you get the cooks to make something light?”
“It shall be my pleasur—”
“Get out!” There came the screaming banshee, Walburga Black. “How dare you step inside this house? You’re a traitor to our blood! A shame to House Black!”
Sirius waited until she finished growling, “A traitor who fooled the entire pureblood community. My dear mother, how could you not see what I was truly up to? How could the greatest mind of House Black not notice my true aim?”
Just then, Orion Black also came down the stairs and stood beside Walburga with his arms folded, waiting for an explanation from Sirius.
“Mother, Father ... Tell me something. What has caused the purebloods hurdles from thriving and winning every time? Is it the muggles? The half-bloods? No, it’s the purebloods who stand against us, and where do these traitor purebloods gather?”
“Gryffindor!” Walburga exclaimed, eyes widened in realization, but the looming doubts weren’t easy to dissolve. “So you’re suggesting that all you did was to infiltrate the ranks of the treacherous faction?”
“And more,” Sirius smirked. “Who is my best friend?”
“James Potter!” This time, Orion exclaimed.
Sirius firmly nodded, “An ancient family said to be connected with ancient Peverelle bloodline. Old Potters will die eventually, then whose influence will he follow? Mine, of course!”
Shocked, to say the least. Orion and Walburga Black stared at their son’s devious-looking face. It was impossible to understand if he was scheming against them or the blood traitors. But no matter what, seeing his cruel thoughts come out was akin to a reassurance that he was indeed a Black.
“What are you after?” Orion asked.
Sirius spread his arms and proudly pronounced, “Dominance over Wizarding Britain, of course. The one who rules the Wizengamoth rules the wizards—A little bit of sweet talking, a little bit of harsh spells—the dice shall eventually fall into my hands. So no matter which side prevails, House Black will always win.”
Did it work? Sirius nervously wondered.
Bam!
Orion Black walked over, placed his palms on Sirius’ shoulder, and his face carried a smile, “That’s what I call true ambition, my son—A true heir to the House Black!”
Quickly, Orion looked at the various paintings, “If word of what he said goes out, I’ll make it my life’s goal to burn you all to ashes.”
It bloody worked! Sirius silently rejoiced, his heart pumping fast enough to burst at any moment. However, he noticed Walburga’s narrowed gaze. She still doesn’t believe me.
I will have to make my father hand over the inheritance to me before he dies. Leaving it to the mother will only complicate things.
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