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...
At first it hurt—losing your virginity is always painful for a woman, especially someone as pure as Haruna, who'd kept her hymen intact until today. A thin trail of blood ran down her leg, dripping onto the floor.
Haruna was in pain, but the arousal from all the foreplay had lit a fire of lust inside her—a lust and excitement that filled her whole body, clouding her mind and thoughts. Finally giving her purity to Akira had become reality. They'd taken the final step. Now all that was left was to enjoy it to the fullest.
Little by little the pain faded, and I started moving my hips faster, leaving behind the gentleness from minutes earlier.
Haruna's pussy was tight—typical of a girl who'd only ever masturbated and never had anything inside. It gripped my cock like a vice, like it wanted to milk every last drop of cum out of me. But I didn't give in—I kept thrusting while Haruna moaned uncontrollably. The pain had turned into pleasure, opening up a whole new world to her: the world of sex, the most pleasurable thing in existence.
We kept going, fucking in every position imaginable. I pounded Haruna's pussy mercilessly, using all the strength I had, occasionally sucking on her tits or kissing her. Raw, unrestrained lust filled the room. Haruna's moans of pleasure echoed through the empty house—no one around to hear her cries or the sound of my pelvis slapping against her creamy ass, which jiggled with every thrust.
But if you think fate was gonna let us fuck in peace without interruptions, you're dead wrong.
"I'm home," someone called from the front door.
It was Haruna's little sister. She'd come back early because her plans got ruined by… special circumstances. Of course her parents were still out enjoying their evening—the author never said all three left together.
"Haruna?" Akiho called, confused.
Since she was back early, even if she was still a bit annoyed, at least she could spend a nice afternoon with her sister—watching movies, playing video games, or just chatting like usual. But Haruna didn't answer.
"Maybe she went out?" Akiho wondered.
Curious whether her sister was home or not, she slipped on her house slippers and headed straight upstairs to check Haruna's room. Haruna didn't usually stay in her room unless she was studying or it was really late—at night she'd normally be in the living room with everyone. But since she was alone today, maybe she'd stayed in her room doing homework or something.
But as she climbed the stairs, she heard something shocking.
"Ahhn, it's amazing!" Haruna moaned.
Hearing that moan, Akiho's heart skipped a beat. She went on high alert.
"No way…" Akiho whispered.
She quickly pulled out her phone. Was Haruna in danger? A burglar or something? She dialed the police number but hesitated—before calling, she decided to sneak quietly to Haruna's room to peek inside and avoid any misunderstanding she'd regret later.
Listening to the ridiculous amount of moans she attributed to her sister, Akiho hurried to the door. It was slightly ajar—not fully closed—so she carefully peeked in without being noticed. What she saw left her speechless. Her eyes widened to their limit, her mouth dropped open in shock, and her phone slipped from her hand because she unconsciously let go in surprise.
What did she see? Something unbelievable: her sister Haruna having sex with a really hot guy she instantly recognized as Haruna's boyfriend—Akira.
Haruna had told her before how helpful Akiho's advice had been and how thanks to it, she'd finally started dating the guy she liked—her first boyfriend. She seemed so happy, gushing about how wonderful Akira was. Akiho got a great first impression of him from all the praise. Plus, Haruna clearly loved him a ton and was way happier than usual. Her parents even started suspecting something—her mom figured it out but just smiled and said nothing. Haruna was a teenager; having a boyfriend at her age was normal. And seeing her daughter's radiant smile and great mood, the boyfriend had to be someone amazing to make her calm daughter change like that.
Her mom even told Haruna she approved of the relationship but wanted to meet him in person to judge for herself—of course behind their dad's back. Haruna's dad was super overprotective; if he found out she had a boyfriend, he'd probably force her to break up. Their mom didn't agree with that at all. She trusted Haruna's judgment—her daughter wouldn't pick a bad guy—but she still wanted to meet him. The only surprise was that it wasn't Rito. Obviously she knew Haruna liked Rito, but neither had made a move. So when Haruna said her boyfriend was Akira—a classmate—it caught her off guard. Still, she didn't dwell on it. If Haruna and Rito weren't meant to be, better that way—no regrets later.
But back to the main point: Akiho was stunned watching her shy, innocent little sister riding Akira's cock like she was riding a horse—moving her own hips while Akira played with her tits and hard nipples.
"My sister… my innocent little sister… I didn't know she had such a wild side," Akiho said, impressed.
Impressed to see her sister having sex with her boyfriend? A little, but couples having sex was normal. What was really shocking was how proactive Haruna was—bucking her hips wildly. Her face was pure lust, drool even dripping from her mouth. Her moans were so loud Akiho couldn't believe she hadn't heard them the second she walked in. Without thinking, her hand slid down, slipped under her skirt, pulled down her leggings, pushed aside her blue panties, and started rubbing her already wet pussy.
Break them up? That'd just make Haruna mad and embarrass everyone. Leave them alone? Yeah, the logical thing would've been to walk away and let them have their privacy. But for some reason, Akiho couldn't look away. It was like her eyes were glued to the scene unfolding in front of her.
"Nnn, this is incredible!" Haruna moaned.
"I'm gonna come—take it all inside!" Akira grunted.
"Me too—please, fill me with your cum!" Haruna cried.
Then Akira unloaded a massive amount of semen straight into her womb, flooding her insides, painting her with his color, his scent. The intoxicating smell of sex filled the room and even leaked out, hitting Akiho—who, driven by the incredible sight, kept fingering herself wildly.
"He came inside her? What if she gets pregnant?" Akiho wondered.
But she never stopped masturbating the whole time.
With her womb full of cum, Haruna hit such a powerful orgasm that she passed out for a few seconds.
When she came to, Haruna pulled Akira's cock out of her pussy and started licking it—wanting to taste his cum again, drink it, savor it, choke on it. She wanted to cover her whole body in his semen, smell like her beloved… a bit of a weird fetish, but it turned her on like crazy.
Meanwhile, Akiho swallowed hard when she saw how huge Akira's cock was. Her gaze locked onto it while her fingers moved even faster, giving herself more pleasure.
While Haruna gave Akira a blowjob to milk out every last drop, she casually glanced at the door and saw her sister masturbating on the other side. But instead of screaming, covering up, or anything like that… she just smiled and kept sucking.
"She saw me and didn't say anything?" Akiho whispered.
Akiho's heart clenched when Haruna spotted her—she thought she was done for. Her sister had caught her watching her have sex with her boyfriend while masturbating uncontrollably. But Haruna did nothing. She just focused on pleasuring her boyfriend with her mouth and gave Akiho nothing but a smile.
"What the hell is going on? Is this really my sister?" Akiho wondered.
Where was all that shyness?
"Maybe she's so focused she doesn't even care anymore? Then… what happens tomorrow?" Akiho thought.
How would their relationship be after this? How would she face her? Should she pretend it never happened? Akiho wanted to run away right now and bury herself in a hole from the embarrassment, but she didn't. Instead she started fingering herself harder—adding more fingers into her pussy, rubbing her clit, while her other hand played with her breasts and nipples. And right then, in that exact moment, she imagined what it would feel like to be there—in her sister's place.
"I want to try that cock too…" Akiho whispered.
But she quickly shook her head.
"No! What am I thinking? He's my sister's boyfriend—I could never do that!" she denied.
But she kept masturbating.
"No, don't think about his cock. Don't think about how it'd feel inside you, sucking it, drinking his cum, having it fill you… don't think about it!" she told herself.
But she couldn't help it. Haruna looked like she was enjoying it so much. Akiho couldn't even imagine how good Akira's cock must feel to corrupt her innocent sister like that.
"Would it hurt if I took the whole thing? I'm a virgin… No, if Haruna could handle it, I could too—we're sisters after all," Akiho thought.
She kept fighting her inner lust, trying to push those sinful thoughts away, but it was impossible. Her arousal was too strong, her desire overwhelming, her pussy dripping uncontrollably.
"Should I ask Haruna to lend me her boyfriend just once… so I can know how his cock feels?" Akiho wondered.
While Akiho battled her lustful side, Akira and Haruna kept fucking like animals in heat—coming almost constantly while another person, Akiho, watched from outside, masturbating and coming occasionally.
That was the moment Akiho awakened feelings for Akira. Maybe not love yet, but definitely lust—sexual desire that would lead her straight into his harem. Normal masturbation wouldn't be enough for her anymore.
But that's a story for another time.