Luna had just turned eighteen and was ready to explore the world of love and sex. She was a petite blonde with sparkling blue eyes, curvy in all the right places, and a nervous excitement that made her breasts heave with anticipation. She had moved to a new city for college, eager to leave her small-town life behind and experience new things.

On her first day at the local coffee shop, she met Isaac. He was tall, dark, and handsome, with a confident smile that made Luna's heart flutter. He was a few years older, with a muscular build and the swagger of a man who knew what he wanted. Isaac was charming, and Luna found herself drawn to him immediately.

"You're new here, aren't you?" Isaac asked, leaning against the counter as Luna ordered her coffee.

"Yes, just moved here for college," Luna replied, her cheeks flushing.

"Well, welcome to the city. I'm Isaac." He extended his hand, and Luna took it, feeling a spark of electricity at his touch.

Over the next few weeks, Isaac and Luna saw each other frequently. They would meet at the coffee shop, and Isaac would invite her to join him for walks around the city. He was a great storyteller, and Luna loved listening to him talk. She found herself looking forward to their meetings more and more, her heart pounding with anticipation each time she saw him.

One evening, as they walked through the park, Isaac turned to Luna. "You know, you're really beautiful, Luna. I've been wanting to kiss you since the first time I saw you."

Luna's breath caught in her throat. "I've been wanting you to kiss me too," she admitted, her voice barely above a whisper.

Isaac leaned in, his lips brushing against hers softly. Luna closed her eyes, feeling a wave of warmth wash over her. His tongue parted her lips, and she melted into the kiss, her body pressing against his.

"Let's go back to my place," Isaac whispered, his voice husky. Luna nodded, her body aching with desire.

At Isaac's apartment, they wasted no time. Isaac pulled Luna close, his hands exploring her body. He kissed her neck, her shoulders, her ears, making her moan with pleasure. He unbuttoned her blouse, his fingers tracing the curve of her breasts. Luna's nipples hardened under his touch, and she arched her back, wanting more.

Isaac unhooked her bra, freeing her breasts. He took a nipple into his mouth, sucking and teasing it until Luna was writhing with need. She unzipped his pants, her hand wrapping around his cock. It was hard and hot, and she stroked it gently, feeling him throb in her hand.

Isaac moved his mouth lower, kissing her stomach, her hips, and finally, her pussy. He licked her folds, tasting her sweetness. Luna gasped, her legs trembling as he worked her clit with his tongue. He slipped a finger inside her, and she moaned, her body clenching around him.

"You're so tight, Luna," Isaac murmured, his breath hot on her skin. "You're a virgin, aren't you?"

Luna nodded, her face flushed. "Yes," she whispered.

Isaac smiled, his eyes dark with desire. "I'm going to make this so good for you, baby."

He continued to lick and suck her pussy, his fingers moving in and out of her. Luna's body tensed, her orgasm building. Isaac felt her clit swell and throb, and he sucked it harder, sending her over the edge. Luna cried out, her body convulsing with pleasure.

Isaac stood up, his cock standing tall and proud. Luna looked at it, her eyes wide with anticipation and a touch of fear. Isaac smiled reassuringly and lay down on the bed, pulling Luna on top of him.

"Straddle me, baby," he said, his voice deep and commanding. Luna did as she was told, her pussy hovering over his cock. She reached down, guiding him to her entrance.

Isaac gripped her hips, looking up at her with hungry eyes. "You ready, Luna?"

Luna nodded, her breath coming in short gasps. Isaac thrust his hips up, his cock sliding into her tight, virgin pussy. Luna cried out, a mix of pain and pleasure. Isaac held her still, letting her get used to the feeling of him inside her.

"You okay, baby?" he asked, his voice gentle.

Luna nodded, her body relaxing. Isaac started to move, his cock sliding in and out of her. Luna moaned, her body adjusting to the sensation. She moved with him, her hips grinding against his.

"Fuck, you feel so good," Isaac groaned, his hands gripping her hips tighter. "Your pussy is so tight, baby."

Luna leaned forward, her hands on his chest. Isaac thrust up harder, his cock hitting her G-spot. Luna gasped, her body tensing. Isaac grinned, knowing he had found her sweet spot.

He rolled them over, so he was on top. Luna wrapped her legs around his waist, her heels digging into his ass. Isaac pounded into her, his cock slamming against her cervix. Luna cried out with each thrust, her body on fire.

"Harder, Isaac," she begged. "Fuck me harder."

Isaac complied, his body slamming into hers. Luna's nails dug into his back, her body arching to meet his thrusts. She could feel her orgasm building again, her body tensing.

"I'm going to come, Isaac," she gasped. "Please, don't stop."

Isaac didn't stop. He fucked her harder, his cock pounding into her. Luna screamed as her orgasm hit her, her body convulsing with pleasure. Isaac groaned, his cock throbbing as he came inside her.

"Oh, fuck, Luna," he grunted, his body shuddering with release.

They lay there for a moment, their bodies entwined, their breaths ragged. Isaac pulled out of her, his cock glistening with their mixed juices. Luna looked down, a sense of pride filling her.

"You were my first, Isaac," she said, her voice soft.

Isaac smiled, his eyes filled with satisfaction. "And I'll be your only, Luna. I promise."