Horndog
Copyright© 2025 by MrPlotThickens
Chapter 5: That Night In Tibet
Erotica Sex Story: Chapter 5: That Night In Tibet - 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
“Aaargh!” Sirius jolted awake in the middle of the night. The oracle’s words haunted his dream, leaving him panting and sweating profusely. He was constantly anxious, feeling helpless to change anything.
Thud!
Sirius noticed the book Lily gave him had fallen from the bedside table. He opened it. Legend of Immortal Heart; he read. It seemed to be a biography of a man who found a way to become immortal. At first, he dismissed it as a pointless fantasy story, but that led him to notice a weird pattern between the pages.
It can’t be.
He got off his bed and tore off the bindings of the book. Then, he calmly placed the pages on the floor with care and focus as he had to find the complete pattern.
Before he knew it, the sun began to drown the entire room with light. With reddened eyes, Sirius looked at the floor covered with paper like a madman.
It’s actually a map! He was shocked. It looks like ... the Tibet region?!
He quickly looked for something in a wooden box. He went through the items inside and finally took out an old camera. Wasting no time, he took pictures of the map.
An hour later, he packed a bag, combed his hair, and wore his usual black clothes and jacket. Then he headed to the muggle airport, since travelling through the portkey network had risks.
“So you have decided to leave again?” Walburga was standing near the exit.
Without looking at her, he replied, “This shall always be my home, Mother. I’m only going to China to see their ancient magic and artifacts—perhaps I can find something useful to House Black.”
“Wonderful!” Orion Black came over, simply excited to see his son taking so much interest in family, “My grandfather told me that one of our ancestors owned a Phoenix. Go, Sirius, seek new magic—show us your worth!”
I’ll show you alright. Sirius thought and waved his hand before bidding farewell.
Sadly, he soon learned he couldn’t go to China without a lengthy visa process. So, he took a flight to Hong Kong, as close to China as he could go.
He slept on the flight, but his heart was full of excitement. After landing in Hong Kong, jumping the border and entering Mainland China was a breeze for him. He then rode his broom for the rest of the journey to Tibet, ignoring the cold air at night.
Then, with a few spells, he got himself a modest hotel room without needing an ID.
He ate, bathed, and began planning for the expedition. He took out a map of Tibet and circled a few places, one after another.
The map was made so many years ago. It’s hard to pinpoint the locations now ... But it should be somewhere among these five mountains and valleys.
He placed all his stuff back in the magically expanded bag, ready to leave in the darkness of the night.
“Let’s deal with the annoyance first,” he muttered.
His face abruptly turned grim. He folded his sleeves and walked out of his hotel room. He walked to the room adjacent to his and flicked his wand. The door was unlocked with a click, and he pushed it in without a care, hitting the person inside.
Thud!
He looked at the person that fell behind the door. Long blonde hair, green earrings, a white formal shirt, and a long, black skirt that went below her knees. Her blue eyes stared at Sirius with annoyance while he did the same.
“What a pleasant surprise, Narcissa. I didn’t expect to see you here. Such a rare coincidence,” He spoke mockingly and extended his hand. “I wonder what brings you here?”
Narcissa silently frowned and stood up, relying on his hand, “I didn’t want to, but Walburga insisted I follow you and see what you were up to. I couldn’t refuse her.”
“Of course, she’d do that,” Sirius sighed, irritated by the woman who gave birth to him. But he didn’t take out his frustration on Narcissa, as he hoped to fool her and vanish eventually to follow the map alone. For that, he needed to bring her guard down. “Are you hurt?”
“No.”
Sirius walked in and closed the door behind him, “You can go back if you wish to.”
Narcissa didn’t reply and went to sit back on the bed since there was no chair in the small room. She pulled the blanket up and tiredly pressed her eyes with her fingers, “You know I can’t ... Walburga will scream till my ears explode.”
“Ah ... That brought back some memories,” Sirius scowled, almost feeling a shiver run down his body. “Is she the reason why you’re getting married to Lucius?”
She smiled, shaking her head, “Yes and no. I do like Lucius, as he’s far better than most other pureblood men out there. He’s intelligent, careful, and caring—a true gentleman. It’s either him or some unknown psychopath, and I’ve chosen to settle.”
Sirius shrugged and went to sit down on the bed, a reasonable distance away from Narcissa on the other side of the king-size bed. He rested his back on the backrest and pulled the same blanket slightly above his feet, as it was cold there.
“To be honest, you can do much better than him,” Sirius said, trying to make her lower her guard. “You’re probably the most beautiful eligible witch in Britain right now, and with a good mind as well. Maybe someone in America? France? At least I know I’ll settle in America if I ever feel like running away.”
“As if I’d get a choice in this matter,” Narcissa replied, sounding slightly envious. “Not everyone has the luxury of affording the freedom you do.”
“Nonsense! The birdcage you have placed around your freedom is of your own making. Rebel a little, laugh a little, be silly like we used to be when young—do whatever makes you happy. I learned this lesson when I went to Hogwarts, away from that old hag bitch ... I mean witch.”
“Pff...” Narcissa almost snorted while holding her laughter. Her long, blonde hair jolted with her twitching hands on her mouth. Her thin lips that curved into a smile were beautiful—she looked charming when relaxed.
She sighed loudly and moved her legs underneath the blanket. “As wild as you were back then. I still remember you knocking Bella out by falling on her head from a broom. To this day, she doesn’t know how she was knocked out.”
“Wait! You never told her?” Sirius exclaimed, genuinely laughing.
“Why would I tell her? She used to bully me, and I liked seeing that happen. I even drew a mustache on her face after you ran away,” Narcissa confessed, looking more relaxed.
But then she suddenly stood up and dragged her bag toward the bathroom, “I’m going to sleep—following you here was not easy.”
A moment later, she returned from the bathroom, now wearing a loose, silky black, short-sleeved nightgown, covering everything to her ankles. Her long blonde hair was fully undone and draped behind. Her face now lacked any makeup, but she remained as breathtaking as before.
Then, after returning to her bed under the blanket, she looked at Sirius, “Wake me up when you decide to leave.”
“...”
“Why would I wake you up just so you can follow me?” Sirius exclaimed.
She puffed out an annoyed breath, “Because I’ll tell Walburga that you came to China to gamble and meet muggle women.”
“...”
Sirius’s jaw fell. Indeed, Narcissa turned out to be a wild fox. “But that’s a lie.”
“My word is Merlin’s word for Walburga.”
Sirius scoffed, folding his arms, “Come on, just make up a story or something. Tell her you lost me. I’ll return the favour later.”
She shook her head, relaxing in the bed while feeling triumph, “Why are you even here? Just tell me the truth, and I might take your side.”
Classic Narcissa. Trying to make me lower my guard and spill everything. Sirius saw through her wordplay and rested down in bed, completely under the blanket.
“To find a Phoenix and tame it,” he lied through his teeth. “It’ll be considered a decent achievement by wizarding Britain. Father will respect me more, and so will many purebloods who follow Dumbledore.”
Silently, Narcissa gazed at his face, trying to see if he was telling the truth, “If that is the case, then I’ll watch you look for it.”
Ugh ... She didn’t believe me. Sirius realised and decided to take a slower, calmer route. Better change the subject back to her.
“Sure, you can come along. The stronger I become, the more I’ll be able to protect my family—including you.”
“I told you before, I don’t need your protection,” Narcissa barked back in reply. “I’m strong enough.”
But Sirius had an answer already prepared. He shifted a little closer to Narcissa and patted her head, ruffling her blonde hair as if she was younger than him. “The Dark Lord will soon be running amok. As soon as you marry Lucius, you’ll be pulled into it.
“When that happens, and if you ever find yourself in a tough spot—you’ll always find a home wherever I am ... same for Bellatrix; as crazy as she might be, I still share blood with her. Regulus is too timid, and I won’t let anyone hurt him, and Andromeda, to this day, lives in fear of retaliation from purebloods.”
Can’t let my pack fall into the hands of those bastards—the stronger the Black family, the stronger the fortress around me. Sirius reasoned while saying those words to Narcissa.
Narcissa didn’t get angry at him for rubbing her hair. Rather, she stared at Sirius’ face, looking into his shining grey eyes. By instinct, she raised her hand and touched his face, “W-Why do you seem so different from what I remember? So ... less immature?”
Sirius sighed and turned flat on the bed, staring at the ceiling. He felt Narcissa do the same after shifting closer until their shoulders touched.
“I had a dream,” Sirius firmly voiced. “Too many times, the same thing again and again. It feels like a vision now.”
“What is it about?” Narcissa asked.
Sirius sucked a deep breath and told her half of what he perceived from the oracle. “Death of Black Family—erased from history like many others before. Dark times are ahead, Cissy ... And I fear it has something to do with this Dark Lord.”
Narcissa smiled suddenly, hearing Sirius use her nickname again after so many years, “Why do you fear the Dark Lord?”
“Because, unlike Grindelwald, we know nothing about this one. We know his fake name, but what family does he belong to? What are his origins? What is his history? If we accept any upstart Dark Lord, I’m afraid the purebloods will end up becoming slaves before the rest of the world is conquered,” Sirius replied, a very genuine answer to why he couldn’t accept Voldemort’s rise.
Narcissa didn’t speak for a while, thinking about what Sirius said. As she shuffled through her knowledge of Voldemort, she found herself agreeing with him more and more. Indeed, they had no clue about the Dark Lord’s history.
“I’ll go to my room...” Sirius woke her from the trail of thoughts.
“Wait!” Narcissa caught his hand suddenly, pulling him back, “I want to talk more ... It’s been so many years.”
He chuckled and got back into bed under the warm blanket. He threw his shoes off as well and relaxed fully. Then, they reminisced about their entire life from childhood to adulthood.
Sirius knew Narcissa still held herself back, but she opened up a lot to him. He, too, shared some of the things but kept the important bits a secret. Before they felt the trust build, their bodies were almost holding each other under the blanket.
Eventually, she flicked her wand and turned the lights off, leaving only a little light coming from the cracks of the window blinds. Then she drifted into sleep.
Their bodies touched as she turned her back towards him. Sirius, meanwhile, found himself watching her from behind as the blanket was down from his side. Her heart-shaped ass was noticeable as the nightgown tightened around her hips and got pulled a little up, showcasing her milky legs.
He looked up and noticed the lack of bra straps, and her loose blonde hair rested behind her neck in a mess. The scent of her perfume was quite strong and palatable.
She can definitely do a lot better than Lucius. Sirius muttered as he slid down on the bed and pulled the blanket up.
But his plan to sleep was foiled when he felt Narcissa shift in the bed, and her back found its way beside his chest. With her hips held out and knees curved forward, he found himself spooning her from behind. He could feel the warmth of her body, and before he could make sense of anything, a bulge rose in his pants.
Sirius felt like moving away, but on a second thought, he wondered if she was doing it knowingly, as it was impossible that she didn’t feel his massive erection poking her back.
Taking his chance, he also curved his knee under her thighs, effectively grinding his bulge harder. But instead of stopping, he raised his hand under the blanket. His palm brushed on her silky, smooth, warm legs, then her hip, and pulled her nightgown up all the way until her naked ass presented itself to his bulge.
Again, as he felt no reaction from her, he decided to take another step forward. Using magic, he removed his pants and shirt, leaving himself only in his underwear.
Then, he again spooned her. He nestled his face close to her nape. His chest pressed on her back, and his bulging underwear probed the gap under her intimate core. At the same time, he rested his hand on her waist and hugged her tightly, pulling her closer to himself.
Still acting asleep? He smirked and played with Narcissa’s body.
He could hear her quick, small breaths as he raised his hand from her waist and onto her breast. He didn’t squeeze them but rested his palm, cupping one.
Meanwhile, his bulging shaft squeezed out of the underwear. He softly eased himself between her thighs. It felt like heaven. Her silky smoothness and warmth made his girth twitch multiple times in excitement, hardening even further.
Oh?! Right then, he felt Narcissa’s body jolt. There’s no way you’re sleeping through this.
He began moving his hips slowly, just a little so his length would rub between her thighs and greet the slit covered in her white thongs. Her legs pressed harder on him as he moved, and her breath became short and heavy, felt by his hand on her mound.
There were a thousand questions. But Sirius wanted to savour this moment. However, he realised he didn’t have time and needed to sleep for the journey. So he decided to sacrifice the opportunity and close his eyes.
But he didn’t move away from her. His cock remained pressed near her faint dampness, involuntarily being stroked anytime they moved. His hand remained on her breast, rubbing her covered buds to harden. They soon fell asleep in that spooning position, sharing the warmth of each other’s bodies.
It was perhaps the best sleep Sirius had ever experienced since the visions of the oracle had begun to disturb him. The warmth of her body calmed his mind for some reason, and before he knew it, hours went by.
When his eyes opened, he realised the lights were on, and Narcissa wasn’t beside him. He heard running water in the bathroom and knew she had likely seen him naked under the sheets. He didn’t mind, but to save himself from the awkwardness, he dressed immediately and left for his room.
Knock! Knock!
Just as he finished his own bath, he heard the knock. Quickly, he fixed his hair, wore his jacket and opened the door. Though, he didn’t expect to feel the sudden rush of blood in his body, and his jaw dropping a little.
Narcissa stood there, looking absolutely stunning. Her long blonde hair was loosely tied behind her head. She was wearing tight denim jeans with black high boots. Above, she wore a tight, chained-up, black leather jacket with a white shirt underneath, making her ample mounds appear like tight hills. A pearl necklace contrasted around her neck, and the green earrings made her face glow differently. Her blue eyes and thin red lips were just a sight to behold.
“Running away again?” She grumpily asked.
She was almost a head shorter than him, making her frowning face look nothing but pretty and cute. He felt like patting her head again but knew she’d get angry this time.
“Just came to pick up my bag. Follow me to the terrace,” he said and walked out of his room, leaving the key in the door. He didn’t bother checking out either since the ID was fake.
On the terrace, he took out the broom from the expansion bag. It was slightly modified to have a single seat and footrest as he expected to spend a lot of time scouring the desolate landscape of Tibet.
“I didn’t bring a broom,” Narcissa voiced as she saw Sirius readying himself to leave.
“Go home then,” he smirkingly replied, holding up the broom between his legs.
Narcissa didn’t say anything and went ahead to stand sideways beside the broom, so her hips rested on it. She smirked and quickly threw one leg around the broom, straddling it, and sat in front of him so her back touched his chest, “Let’s go.”
“...”
“You won’t give up, will you?”
“Giving up is not a word in my dictionary.”
Sirius sighed and kicked his foot a little. With that, the broom rose, and he placed his right arm around her waist. Then he curved it around her side to her lower belly, almost where her jeans button was and pulled her closer to himself, her soft, cushiony buttocks resting against his crotch, almost hugging her so she wouldn’t fall.
He noticed the shyness on her face. But simultaneously, he loved the feeling of her soft thighs around his left wrist that held the broomstick between her legs for steering. It was her choice to sit in the front, after all. Her back, as well, was small enough that his right arm wrapped around all the way, letting his palm slowly move from the side to the top of her breast—frisking his thumb on her jutting breasts. He could feel it harden under his touch.
Her heart’s pounding. Sirius felt it. I don’t think she minds my touch.
They didn’t speak the entire flight. As the cold night passed, they went further northwest and felt the chill. Sirius, trying to act like a gentleman, made her wear his jacket as well.
No one said a word. Sirius merrily cherished the heat of her body. Feeling too cold, he pulled her closer, harder, with the hand resting between her thighs on the broomstick. He felt her; she was well-built, athletic and soft. It was warm, and he rubbed her by moving his knees up and down on both sides, grinding her hips on his naturally growing erection.
“Umh...” Narcissa roughly breathed with her face lowered, leaning back on his chest.
She wants this as much as I do. Sirius thought and hugged her tighter. He knew they couldn’t do much on the broom, but he freely felt her body. For how long has she been this unsatisfied?
Wasting no time, he descended and searched for a town. Between the huge mountains, he soon noticed a cluster of lights. And it wasn’t just the arousal, but also the damn cold that had him shivering, so he wanted some rest.
“Let’s look for a hotel for rest,” he whispered to her ears, earning her a simple nod in response. Clearly, she wanted him but didn’t want to talk about it.
Just a few moments later, he noticed a small, twin-story building with the misspelt words ‘rooms for rant’ written on top. He landed outside it since the town was empty that early in the morning. Then, he cast a few charms on themselves and walked in, holding Narcissa’s hand.
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