Roxy, Will, and Valeria followed Opal across the club to a door with an "EMPLOYEES ONLY" sign on it. Opal opened it, revealing a supply room littered with mops, buckets, cans of cleaning products, and cleaning carts, and floor-cleaning machines. Opal began to remove her kitschy devil costume.
Roxy began to undress as well. "This is only my second ever foursome, you know," she grinned eagerly. "I'm so excited!"
"You've had one before?" Valeria laughed. "Roxy you are fucking wild... and that's just the way I like you." The von Karnstein girl grabbed a handful of Roxy's ass as she kissed her cheek.
"She's right, Roxy," Opal said, sniffing the air around Roxy as she stripped. "You have a strong and vibrant life force. You're going to be simply scrumptious!" By now, Opal was wearing nothing but her devil-horn headband, and her nipples stood firmly erect. She plucked the gimmick headband out of her dark red hair and struck a sexy pose. "Wellllll... ta-da!"
"You look amazing!" Roxy gasped as she yanked off her panties, baring her curly copper-colored bush and her dripping pussy lips.
"Yeah..." Will nodded warily as her hand strayed to the flap of her backpack, which contained a vial of holy water and a crucifix, among other useful anti-monster gear.
"Be careful," Valeria whispered to Roxy as she slipped out of her designer clothes. "I'm not saying that Will's right about Opal being a succubus, but she is a stranger."
"So were you when we first had sex," Roxy countered.
"Hey, maybe I have some weird secrets of my own," Valeria said darkly. "Just... just don't get hurt."
"Your girlfriend's pretty bright, Roxy," Opal smiled. "Your sister, too. It just so happens that I do have a huge secret... one that I think you'll find mindblowingly sexy. Now that we're alone, I can finally show it to you."
Opal's skin tone began to shift from light tan to a brilliant orange. Her eye whites turned gold with slitted feline pupils, and little horn buds slowly poked out of her forehead. A forked tail pushed out of Opal's lower pack and coiled around her leg while her feet morphed into cloven hooves. Opal gripped her expanding tits, grinning lustfully as her teeth sharpened into demonic fangs. By now, Opal's bovine horns had grown to full size, their sharp tips curving toward her fiendishly sexy face. To complete her hellish transformation, a pair of massive bat wings unfurled behind Opal.
"Holy shit!" Roxy screamed in stunned fright. "You really are a demon!"
"Yes, I'm a genuine succubus from Hell," Opal said, a forked tongue slithering out of her mouth as she talked. "My real name's Obyzouth. Those other girls were succubi, too. Sabrina's real name is Sitri, and Allison's really called Alabasandria. But don't panic! I'm not here to hurt you!"
"Don't you dare try to bullshit us!" Will snapped venomously. "I'm a direct descendant of Jonathan and Mina Harker, and I fucking KNOW that you flame-broiled assholes eat human life force!"
"Is that true?" Roxy asked accusingly. "Did you lure us here alone to murder us for your dinner?!"
"Let me explain," Obyzouth said nervously. "Demons do indeed eat human life force, and it's the job of succubi to go to Earth and harvest it to feed our dominions back in Hell. I, for example, serve Prince Asmodeus, who is a powerful lord in Baphomet's kingdom."
"Baphomet?" Roxy repeated. Isn't that Satan?
"Not exactly," answered Obyzouth. "Baphomet's the goat-headed king of Hell, but Satan is another name for Lucifer, a former archangel who was exiled from Heaven for rebelling against Father Day (God, in other words) and got his shiny ass chucked into Hell. Satan lives in Hell and enjoys menacing any damned human souls he comes across, but it's Baphomet who rules the place. You mortals really overestimate Satan's importance."
Roxy nodded. "Got it."
"Now where was I?" Obyzouth asked herself. "Oh, life force. Like I said, it's our food, and it's my job as a succubus to go harvest it. I do this by having sex with mortals. I could take enough to kill or seriously hurt you, but I could also just sip tiny amounts from a large sampling of humans, so little that you'd feel no more than a bit tired. Lucky for you, that's what my boss Delilah insists I do."
Roxy crossed her arms. "I still don't like the sound of losing some of my life force."
"Don't worry about that," said Obyzouth. "Your body is constantly replenishing its supply of life force. You should be up to your full amount by tomorrow morning."
Roxy breathed a sigh of relief. "Oh, that's different."
"Are you sure you wanna risk it, Roxy?" asked Valeria. "I know Obyzouth, and her self-control is crap."
"You knew she's a succubus?!" Roxy gasped accusingly. "And I suppose Will was right about you being a vampire, too."
"Yes," Valeria sighed defeatedly. "Me and the entire von Karnstein clan."
"Ha!" Will laughed triumphantly. "Now will you believe me when I tell you something, little sis?"
"Sure, sure, whatever," Roxy groaned, rolling her eyes at her sister's domineering personality. She turned back to Valeria. "Why didn't you just tell me, Val? I would've understood."
"I was waiting for the right moment," Valeria sighed. "I could hardly just say 'Hi, Roxy! Wanna meet my lesbian vampire sisterhood?' I was especially worried once I found out that Will's a 'monster' hunter. I was worried that you'd share her attitudes once you found out vampires are real."
"No way, Val!" Roxy laughed. "Vampires are awesome." She leaned in and whispered. "Hey, I have an idea. If Obyzouth does go too far and it looks like I'm gonna die, you can turn me into a vampire to save me!"
"Would you really wanna go through that?" whispered Valeria.
"What's it like?" Roxy whispered.
"Intense," Valeria whispered in response. "It starts with me biting you, traditionally on the neck. Then I use my fangs to inject a bright blue venom into your veins. That's the stuff that changes you into a vampire, our reproductive fluid."
"You mean it's vampire semen?" Roxy quietly giggled.
"Uhh... sort of?" Valeria whispered. "Once the venom starts spreading, you'll feel insanely aroused and probably not be able to avoid masturbating. While you're playing with yourself, your fangs will grow in and your cells will all be converted into unliving matter animated by necrotic energy. Once that's done... well... your body spews its unneeded blood out of every orifice in your body, mostly from your mouth and vagina."
"Eww," Roxy whispered back.
"I know," Valeria whispered. "It feels strangely natural while it's happening though. I really do think you might want to consider being turned if this whole thing goes wrong. I don't want you to die."
"I thought only the leader of a vampire clan could turn a fledgeling," whispered Roxie, "and that there had to be a big ceremony. That's how all of Grandpa's crazy stories about rescuing people kidnapped by vampires went."
"Normally, that's true," said Valeria, "but Matriarch Carmilla makes exceptions to save the life of a human friend. Carmilla would perform your ceremony later."
"Could we put an end to the whispering and get to the fucking?" sighed Obyzouth. "This was supposed to be an orgy!"
Obyzouth smiled hungrily as she watched the three naked girls approach her. She just hoped she'd be able to resist feeding so indulgently that she put another girl in the hospital. That was what Delilah wanted, after all: self-restraint. Unfortunately, Obyzouth knew all too well that she was a life force addict. A woman died from Obyzouth's feasting, and she'd caused her seventh hospitalization just last night. The succubus gulped. Delilah was a senior succubus who had access to powerful, ancient magic that could permanently turn Obyzouth into a human, and she'd threatened to use it if there was any more feeding trouble from the orange demon girl.
Obyzouth decided to banish those gloomy thoughts from her head and get down to business. She took a calming breath and readied herself for a night of wild fucking.