Succubus: A Soul Shared
Copyright© 2026 by GemmaGemmaGemma
Chapter 1: Part 5/5
Science Fantasy Sex Story: Chapter 1: Part 5/5 - Succubus: A Soul Shared is an urban fantasy, harem series about Harry, who summons a succubus to help him flirt with the girl that he likes. The problems start there, because Lily is in a lot of trouble, and she's on a journey to prove that she's a real girl.
Caution: This Science Fantasy Sex Story contains strong sexual content, including Ma/Fa Mult Consensual Heterosexual Fiction Mystery School Science Fiction Demons Rough Spanking Group Sex Harem First Oral Sex Big Breasts
Man, what a day. I got home from sixth form at 4:30pm and left the house to go to Elira’s party at 7pm. The most exhausting two and a half hours of my life. There was supposed to be a succubus inside me, not walking next to me. She kicked the shit out of me, crashed my dad’s Vespa into a tree and now we’re friends, I guess. What a ride.
The walk to Elira’s place wasn’t a long one. Lily giggled when we passed the tree she had collided with. She promised again that she could fix it with dad, or find another way if the guilt started to eat me up. She enjoyed being back in the real world, and her appreciation of its beauty was quite sweet. She stopped to admire flowers and pointed out every cat she could see. I promised to introduce her to Salem once the old bastard stopped being mad at me for kicking him out of my room.
“So we’re not seducing anyone?” she asked, after I told her we were almost there.
“No, we’re just having a fun night out. Enjoy yourself and don’t worry about the contract,” I said.
“Okay. Boring, but okay. Who am I?”
“Lily?” I asked, stupidly.
“Who am I to everyone else, idiot. You’re showing up to a party with a random girl. What’s my backstory?”
“I don’t know. Distant cousin?”
“Family route is awkward, in case anything happens.”
“Like what?” I asked.
“I’m a succubus. I might end up fingering someone you don’t want me to finger.”
I laughed. “Okay, fair point. Some sort of exchange student then? I can just say my parents applied for some homestay course or something, or maybe you’re just renting a room at our house because it’s been too big for the three of us since my brother and sister moved out.”
“I can make that work,” she said, much to my relief.
Elira has a nice place. I’m pretty sure it’s just her and her dad, but she’s pretty withdrawn at the best of times and it’s hard to say if we’re even friends. I definitely couldn’t tell you who her best friend is. I was surprised she was hosting a party at all, but you only turn 18 once. The house itself is an old build, but I couldn’t tell you from which era. It looks cold from the outside, and somehow colder once you get through the door. It wasn’t until she was greeting us at the door that my spontaneous invite of a complete stranger looked as weird as it was. Thankfully she didn’t seem offended, or particularly interested at all.
All of my closest friends had already arrived. None of them had to deal with an escaping succubus after they got back from school, apparently. I approached with my new demon and watched as they each gave her a double take, before waiting for me to make introductions. “Hello, hello, alright?” I said.
“All good. You can put your drinks in the fridge. There’s a label maker to mark your territory,” Mason said.
“Really?” I replied, instantly distracted. Mason nodded. Label maker. Now that’s cool. “Uhm, well, this is Lily. She’s staying with us for a while. She’s renting one of our spare rooms and I brought her along because she hasn’t got any mates.”
I could see her face drop in my periphery, which was very entertaining. “Nice to meet you all,” Lily said.
“This is Mason,” I said, pointing from one to the next. They all greeted her back as she smiled at them. “Grace, Poppy and Alice.”
“Ooh, Alice,” Lily said. “You’re the one he has a crush on.”
My stomach dropped. It didn’t take her long to get me back. The others were all laughing as the colour drained from my face. “I didn’t say that to her,” I said, desperately. Alice was giggling too, which I hoped was a good thing. There was just a little bit of red in her cheeks.
“Sorry, was I supposed to keep that quiet?” Lily teased. A real demon.
“It’s fine. We all know anyway,” Poppy said.
“No we don’t,” I said, but she just smiled back at me. I couldn’t look at Alice. “Okay, putting these in the fridge before they get warm.” I took Lily by the wrist and dragged her with me. “What is wrong with you, seriously?”
“Just fulfilling my part of the deal. If you don’t want to fuck her tonight, the least I can do is break the seal. No more pretending anymore. Thank me when you’re married,” Lily said, looking very proud of herself. We stopped by the fridge and the label maker distracted me again. “Of course she’s a fucking goth. I knew it. You skinny nerds all have the same type.”
“She’s not a goth,” I said. It wasn’t the first time I had to explain this to someone. “Her style is alternative. She doesn’t identify as a goth. It’s an important distinction.”
“She looks like a goth to me,” Lily argued.
“Well, you’re not from around here. Labels change. That’s why we have label makers. Goths and alt girlies are closely affiliated but not the same thing,” I said. I wrote out my name on the label maker and printed it off, before sticking it on the plastic bag that housed my beers. “Are you having any of these?”
“No. I’ll convince someone to share their spirits with me.”
“Don’t be using your powers on too many people,” I said, to which she frowned. “Can you get drunk?”
“Only on the good stuff.”
“What’s that?” I asked, before her expression told me the answer. “I should have known.”
“We can get drunk, but it takes a boatload. This body wants to get drunk, but my powers counteract it. Anyway, the girl. She’s pretty,” Lily said, nodding her head in Alice’s direction. “There’s a lot of pretty girls here. I can see why the list got so long.”
“That’s because I am a dickhead,” I said, taking one beer from the bag and leaving the rest in the fridge. Lily took the label maker and printed off one saying dickhead, before sticking it on me. “Very funny,” I said, as she giggled to herself.
We returned to the group and they spent some time getting to know Lily, who kept her answers fairly believable. She even said she was waiting on a possible move abroad for her studies, giving me a good excuse for her disappearance if she just so happened to be gone by the end of the week. I was still only getting my first glimpses of her, but she seemed like a nice enough person, and she did a good job passing for human. If she was going to be around for longer, maybe we really could have become friends.
My besties have been my besties for most of my life. Well, not Poppy. She joined later on. Alice and Mason have been there for me since nursery. Grace joined our school in Year 2.
Mason is a great guy. He’s an artist and animator who will probably end up working in the gaming industry. He may or may not be making porn to pay the bills. I saw the character models for an adult themed dating sim he was producing on his computer when he forgot to lock his screen a few months ago. A tragedy for both of us. I haven’t played it. At least he can’t say anything if he finds out that I summoned a succubus.
Grace is the sweetest person I know. She’s an artist too, but I doubt she strays into adult territory. She wants to be an art teacher after university. She’s the type of person anyone would want for a teacher. Mason yearns for her. I think it’s reciprocated but she isn’t as obvious about it.
Poppy joined our school in Year 8 after her parents took her out of private school. She was friends with another group of girls for a few years and then had a falling out with them, before attaching herself to Alice and Grace. She’s a bit posh and highly strung by expectation, and not the expectations of her parents. They would gladly nepo baby her into the family business, and even took her out of private school to try and take some pressure off her. The rest is self-inflicted. She’s a bit of a maths genius and has high expectations of herself. That tends to stress her out.
Alice is the best person I know, and she’s definitely not a goth. She’s kindhearted and caring and funny and compassionate, and she has been my forever girl for the longest time. I genuinely believe this might be reciprocated too, but she’s just as much of a scaredy cat as I am. She’s suffered through a lot of loss in her life, but none of it has been allowed to darken her soul. She really is an angel.
She wasn’t wearing the dress that I was daydreaming about during the summoning, but she still looked incredible. Instead she was wearing a red and black plaid dress that was about mid-thigh length, fishnet tights and platform boots that added at least a few inches to her height. Her hair is two toned, her natural chestnut brunette for the most part, but her pretty face is framed by blonde curtain highlights. She wears it just past shoulder length. It was a pretty gothic look if we’re being honest. Lily might have been onto something.
“Where are you from anyway?” Alice asked, and it turned out not every answer was quite so well thought out.
“Los Angeles,” Lily said, which didn’t make sense for a lot of reasons. She hesitated, then committed. “I was there for a couple of years anyway. I bounce around a lot, but that feels like home.”
God only knows why California feels like home.
“What about you?” Lily asked.
“I’m from here,” Alice said.
“We’re pretty much all from here,” Grace said.
“I was born in London, but moved here when I was 12,” Poppy said.
“I lived in London for a while,” Lily said.
“I’m so jealous. You’ve already lived in so many cool places,” Alice said.
“Do you need a drink?” Grace asked, noticing that Lily was going without. “Come on, we’ll get you something.” Grace took Lily’s hand and the girls left. She had lucked her way into some alcohol without having to use her magic.
I hung out with Mason for a while, and caught up with a few other friends. We found the girls chatting outside later on. They had fully integrated Lily into the group, if only for one night. I played some darts with the guys. Presumably Elira’s dad plays a bit, because the setup was impressive and when she was tempted into taking a throw of her own, she didn’t perform like a veteran of the oche.
I was a few bottles deep the next time I bumped into my pet succubus. “Where are the latinas at?” she asked me, a baffling way to start a conversation.
“What?” I asked. She looked serious. “We’re in the North of England. If we’ve got any then they’re probably down in London.”
“That’s not cool.”
“You got a type?”
“They’re hot. Don’t know how you get by without them,” she said. She took my beer from me and used her teeth to take off the cap. Not sure if it was her human set or the fangs that belonged to a demon.
“Let’s hope your next summoning is in Guadalajara then. Are you having a good night?”
“It’s fun,” Lily said. “Your friends are nice.”
“Found anyone to finger?”
“I can’t choose between them so I might need to finger all three.”
Talking to her like this was a bit weird. I was still so hyper focused on the demon looking side of her, and that was inescapable, but she really did pass for one of us. Whether she genuinely believes she is a human or not, it isn’t so hard for me to believe she could be one.
“Did you really live in LA for a couple of years?” I asked, interested in knowing more about her.
“Yeah, that was my first full body summoning,” she said.
“That’s pretty crazy. I never would have guessed they could last that long.”
“I don’t think they’re supposed to but I didn’t break any rules back then so no one came to get me. That summoning is my first memory. That’s why it feels like home.”
“It’s a shame you can’t stay much longer,” I said.
Lily smiled. “Starting to fancy me already?” she joked.
“How could I not?” I said, playing along. Seriously, how could I not?
“I’ve been introduced to about 6 different girls from your list tonight. If you want me to pull some strings,” she started.
“No,” I said, interrupting. “If you want to have fun, feel free. I’m not your master no matter what that contract says.”
Her eyes narrowed for a moment, before she gave my arm a soft squeeze. “Definitely fancy me. I knew it,” she said, before waving me goodbye and returning to the girls.
She stayed with the girls too. Every time I saw her, she was with them. Sometimes I joined them to hang out, before returning to the darts board in a desperate attempt to hit a single treble 20. And then maybe another one, and then maybe, just maybe, a third. Mason hit a 140. If he got the 180 I might have been obligated to fuck him, fulfilling the least likely of the 32 names on the contract.
Lily was stressed the next time I saw her. She had to pull me away from the board to find some privacy. “I’m going demon mode,” she said. It’s enough of a problem when a human says that. “Touch my lower back.”
I did as she requested, and felt the beginnings of a regrowing tail. “How come?” I said.
“I need more fuel. It’s been a long time since I used my abilities like this and it’s taking a toll on me. Just go to the bathroom and do your thing.”
“How much of this stuff do you need every day?”
“More when the body is my own but I can control it better once I have a few loads in my system. First day jitters, don’t hate me for being so sweet and innocent.”
I suppose this is more my fault than hers, so it’s the least I can do. I downed the last of my bottle. “Give me 5 minutes. I’m going to the upstairs bathroom,” I said, knowing that upstairs was off limits. I’d rather break that rule than jerk off in the downstairs bathroom that everyone else was queueing up to use. “Hold it together until I get back.”
“Thanks!” she said, grinning from ear to ear.
I managed to creep my way upstairs while the corridor was empty. A few people were beginning to leave, likely to continue their night in town. The bathroom door was open, so I found it quickly enough. I slipped inside and squeezed my dick out of the fly of my jeans.
I had pictured her as a demon earlier in the day, but could jerk off to the thought of her as a very human woman now. Or both, as my fantasies dictated. I could see one of her next to the other. Alice was there too. I had never jerked off thinking about her before. I never had the urge to imagine what she looked like under her clothes. I just hoped I would see the real thing one day instead. But she was there with them, the two iterations of Lily, and they surrounded her with roaming hands and soft kisses on bare skin.
I wanked myself into a sweat, but the finish wouldn’t come. It had been hours since my last orgasm and I can usually bust at a much higher rate, but it just wasn’t coming. Maybe it was the pressure of the location or the guilt attached to some of my bad decisions during the day, but something was causing a blockage. A knock at the door didn’t help much. The fear that it was Elira or her dad was unfounded, thankfully.
“Let me in. I’m half red,” Lily said through the door. I shuffled over to unlock the latch and she slid inside. I didn’t bother putting my dick away. She was half red. I was half soft. We were both having a difficult time of it.
Lily went straight to the mirror, analysing her transformation. She was caught between her two states. Her red skin was reforming in patches, and it looked like sunburn as it spread across the white skin of her humanised form. One horn was grown back about halfway, and the second one about a quarter. Her tail was poking out of the bottom of her dress, and it looked annoyed with me.
“How long are you going to take? I had to sneak upstairs 10 minutes ago,” she said, turning to me with a scowl.
I didn’t know it had been that long. I was caught up in the stress. “Sorry, it’s just not coming out,” I said.
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