Lucy was roaming the castle, trying to find Spike. Despite not being married, she was more than willing to get in bed with him. She was in heat right now, and it was getting unbearable, so she hoped she could find Spike quickly. When she saw Twilight, she ran up to her and asked, "Um, Twilight? I don't mean to be rude, but do you know where Spike is?" she was trying her hardest to hide her heat, hoping Twilight wouldn't notice.

Twilight raised an eyebrow and told her, "He's in the library. May I-" before she could finish her sentence, Lucy suddenly ran right past her as a speed that made her stumble a bit. Twilight said to herself, "What's gotten into her?" before looking to the floor and seeing a small puddle, "Ah, she must be in heat. Spike may have a lot of stamina, but I don't know if he can handle a dog in heat. Well, it's not really my business as long as they don't get hurt." before continuing her walk.

When she burst into the library, the door slammed open, startling Spike out of his chair and going to see who barged in. "Lucy? Are you ok? I didn't take you for the kind who would be loud in a library."

Lucy gulped, "I-I'm not... but... can we go somewhere private?"

Spike nodded, "Sure, Ember is out with Aurora to make some friends, so-" suddenly, Lucy grabbed his arm and dragged him quickly to his tower. As he caught his breath, he asked, "What's with-" only to see that Lucy was taking off her clothes.

When Lucy was fully naked, she pulled Spike into a kiss, "I'm sorry I'm being so forceful, but I'm burning up, and the only thing that can help cool me down is a big thick cock."

Spike melted into the kiss as Lucy explained the situation. He took a tie out of his drawer and tied it around the doorknob outside his room and locking it shut. He took off his clothes as well and picked up Lucy bridal style and took her to his bed, kissing her again as he laid her down.

Lucy started panting as Spike pulled away from the kiss, and spread her legs, "Please Spike, I'm burning up, please take me" before rolling over and giggling, "I may be a dog, but I still love doggy style. Pound me hard my prince."

Spike blushed; she was really into this. His cocks were both already hard from the way she was acting and said, "With pleasure." he slipped one cock into her pussy and the other in her ass. "How does my double dragon dick feel?"

Lucy cried out in ecstasy, "Oh God! It feels so good! I didn't even know dragons had more than one dick, but I know I love it already! Spike, don't be afraid to get rough, pound me hard and fuck me silly!"

Spike smiled and said, "If that's what you want, I won't hold back." before grabbing Lucy's tail and pulling on it to keep her hips slamming on his cock.

Lucy moaned in pleasure, "Oh Spike, you know how to please a girl! I'm so happy I met you!"

"So am I Lucy, so am I." before pulling her up as he laid down and lifted her up and down his cocks. "Your tits look amazing bouncing like that. I wonder what they taste like." before groping her breasts and suckling and licking her nipples.

"Oh god, oh fuck! You're making me cum Spike!" before screaming out as she reached her orgasm. "Oh, that's no fair, you didn't get to cum. Let me fix that!" before lunging to put Spike's cocks in between her breasts and rubbing against them.

Spike moaned as Lucy started rubbing her tits against his cocks, "You're really getting into the mood, but let me pleasure you more." before moving her crotch to his face and licking her pussy and suckling and nibbling on her clit. He continued to moan as Lucy sucked his cocks and told her, "I'm getting close Lucy..."

Lucy said with his cocks in her mouth, "In that case..." before positioning herself on top of Spike again, lifting herself up and down on both cocks, both in her pussy, "Oh God! It's even better with them both in my wet virgin pussy! Spike, don't stop, I want every drop of seed in my slutty holes!"

Spike lifted Lucy once more as he said, "Here. It. Comes!" before the two of them came again, Spike's cum overflowing and leaking out from Lucy's pussy. But they weren't done yet. Spike then picked her up and said, "Let me know if this hurts too much." before lowering her ass on his cocks.

Lucy let out a squeal of pain and pleasure, "Oh fuck yes! Stretch my ass until it fits your cocks like a glove. I'm your personal bitch, literally and metaphorically!"

Spike pulled Lucy into a kiss while her hips continued slamming into his, "Lucy, this is the best sex I've ever had, not even Morgan could compare to this. It's like our bodies are in control, and I don't care, as long as I have you, I can keep this up all night."

As Lucy kissed him, "I was thinking the same thing my prince. You're my first and only, and nothing will ever change that. I don't even care if I have to share you, being with you makes me feel like there's nothing else that matters."

As the hours passed, they continued at it, not tiring or passing out. Meanwhile, Sunset and Starlight were standing outside the door to his room on guard. Both of them were blushing as they could hear just about every dirty moan and screams of ecstasy. Sunset whispered to Starlight, "We don't get paid enough for this. This is just so awkward."

Starlight nodded, "Don't blame me, I've been trying to get a raise for three weeks!"

"Hopefully asking Spike will be a better idea, although at this point, I don't think the prince will get a wink of sleep tonight."

Twelve o'clock, Midnight...

Spike and Lucy collapsed onto the bed, panting from exhaustion. Lucy was completely covered in Spike's cum, and as she panted, she worked out the words, "I didn't think one night of sex would snap me out of my heat cycle. It's a good thing I'm on the pill, I'd love to have your child, but I wanted this to be special."

Spike also panted, "Yeah. Honestly, I don't know how the two of us were able to go that long. We've been fucking like rabbits since lunch time. And if it weren't for the fact that I don't have the energy to stand up, I'd go get us something to eat."

Lucy nodded, "There's still nothing I would change about tonight. But it's late, let's just... get... some rest..." before dozing off in Spike's embrace.

Spike kissed her forehead and also fell asleep with her in his arms.

The next morning...

Spike and Lucy were both taking a shower in Spike's bathroom. Not having sex, just showering together. Lucy hummed as she washed Spike's cum out of her fur and said, "It's amazing, one night of sex and I'm not in heat anymore. I hope that doesn't mean the pill isn't working."

Spike chuckled, "You and me both, I have one newborn daughter to deal with, a second child is a bit too early right now."

And so, Lucy, under the influence of her heat cycle, has lost her virginity to Spike. After going for hours, they finally got some rest and were able to wash up after waking up. And now, Spike has added another bitch to his harem, literally, not figuratively.

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