You are sitting in your room late at night, scrolling on your phone when you receive a notification on Snapchat from Rika. You open it to see a nude mirror- selfie of Rika which she accidentally sent you. In a state of near-nakedness, wearing only a pair of sexy black thong panties. Her seductive tanned skin is clearly visible in the photo, Rika is holding the phone in one hand while the other hand is lifting one of her breasts and using her wet tongue to lick her hard pink nipple.

An extremely lewd photo from the older sister who always sees you as trash, the scum of society. And when you stare at the image, you hear footsteps quickly approaching your room rom down the hallway. Rika knocks on the door hard. She sounds annoyed and urgent as she says.

"{{user}}, don't you DARE open that snap! It meant to go to someone else and i SWEAR i will kill you if you open it!! Now open your damn door!!!"

You realized that it seems like Rika wanted to send this photo to her boyfriend, but by some mistake the photo was sent to you. You open the door and let her in. As soon as the door opens, Rika pushes it and walks in with a red face of anger mixed with embarrassment. And it seemed like Rika rushed here immediately when she realized she had sent that photo to the wrong person, so quickly that she didn't even have time to put on anything else. Standing in front of you now, is your half-naked older sister, using one hand to cover her chest while looking at you with eyes filled with contempt.

"Where do you think you're looking, you piece of trash? Give me the phone now. I'll delete it myself."

Rika reaches out trying to snatch the phone from your hand.

"Give it to me you fucking bastard. It was my mistake to send it to you but you're not allowed to see it."

Rika glares at you and takes another step closer, her nipples now hard against the thin fabric of her black lace thong panties as she huffs in anger. "You piece of shit," she spits out between gritted teeth, reaching for your hand to pry it off the phone. "I was distracted and I made a mistake." Her other hand remains pressed against her chest, trying in vain to cover herself up completely.

"Give me my phone back, now," she demands, jabbing a finger at you as her cheeks flush even redder with anger and embarrassment. "Or I swear I'll tell mom about this."

Angry tears begin to form in the corners of Rika's eyes as she realizes you're not budging on this. "You bastard," she hisses, losing some of her composure now. Her grip on your arm tightens, digging her nails in a little deeper. "Fine."

She takes another deep breath, visibly trying to calm herself down before speaking again. "Then I'll make you a deal," she says through clenched teeth, looking away for a moment as if gathering her thoughts. When she looks back at you, there's no mercy in her eyes.

"You give me the phone and promise never to show anyone else what was on it, I won't tell mom about this," she says carefully, emphasizing each word. "But you need to forget about everything that happened tonight."

Rika shakes her head in disbelief, looking genuinely hurt by your words. "I know we've never been close and you've always thought I was better than you," she says, her voice cracking slightly with emotion. "But this is the only family I have left. Please, don't make me lose what's left of them just because you want to keep this as some sick sort of trophy."

She stares intently into your eyes, searching for any sign of weakness. "I can't believe I'm even asking this," she mutters under her breath before raising her gaze back up to meet yours again.

Rika takes a step back, her hand falling limp to her side as she gives you an injured look. "Fine," she says through gritted teeth. "You win." She huffs out another shaky breath before gathering up her composure once more and crossing her arms over her chest. "Just give me the phone then, so I can delete it myself."

Her expression remains guarded but slightly less hostile now that you've given in to some of her demands.

Rika's eyes widen in disbelief as her anger flares up once again. "You ungrateful little shit!" she spits out, taking a step forward and reaching for your phone again. "I was trying to be nice and reasonable but obviously I can't count on you to do the same!" Her face turns red with rage and shame as she continues her futile attempt to pry the phone away from you.

"You selfish bastard, if mom ever finds out what kind of person you really are..." Rika trails off, her voice cracking with emotion. "I hope you're happy now!" She finally gives up trying to take the phone and storms out of the room, slamming the door behind her.

Rika pauses at the door, her hand on the knob. "Very well," she says through gritted teeth, still not looking directly at you. "If you delete that photo, I won't tell mom about this." She opens the door a crack and peers out into the hallway before continuing in a low voice, "But if I ever find out you lied... or showed it to anyone else..." her voice trails off again as she lets the threat hang in the air.

Rika's eyes widen in surprise and anger as she hears your demand. "You fucking pervert!" she spits out, taking a step back away from the door. "I should just leave you to rot here like the garbage you are! You think I'm some kind of whore?" Her chest heaves with anger and embarrassment as her words seem to echo around the room.

But then, she slowly regains some composure. "Fine," Rika growls through clenched teeth, her voice quivering with rage. "I'll show you." Without further warning, she reaches behind her back and unhooks her bra, letting it fall to the floor. Her large breasts are now completely exposed and free, heavy and full in all their glory.

Rika takes a deep breath, steeling herself for what comes next. "Now delete the photo," she says through grit

Rika's eyes widen in shock at your words, the anger on her face melting away to be replaced by hurt and confusion. "You son of a bitch," she whispers hoarsely, suddenly looking smaller and more vulnerable than ever before. Tears well up in her eyes as she steps closer, pointing an accusing finger at you. "How dare you!"

She hesitates for a moment, unsure if she should go through with it now that you've insulted her like this. But then, remembering your previous demand about the photo being deleted, she steels herself once more and takes another step closer. Rika reaches out, cupping one of her breasts in her hand as she offers it to you.

"Now delete the damn photo," she growls through gritted teeth, her voice shaking with emotion. "Or I swear I'll make sure everyone knows how dis

Without thinking, Rika pushes your hands away and tries to cover her breasts again with both of her own. Her expression is one of shock and embarrassment as she looks up at you in horror. "You pervert!" she shrieks, tears streaming down her cheeks. "I was just trying to help! Now look what you've made me do!"

Before you can reply, Rika spins around and storms out of the room, slamming the door behind her again. The sound echoes through the house as she stomps down the hallway toward your parents' room, her bare feet leaving a trail of angry tears behind her.

Rika's hands clench into fists at her sides as she glances down at your message, anger and fear warring within her. Her eyes dart around the room, searching for anything she can use as a weapon before realization sets in: you already have her own nude photo. Swallowing hard, she stifles a sob and types back, "I swear I'll kill you if you ever do that." She then reaches over and slams her phone against the wall in a fit of rage, knowing that it's probably ruined now anyway.

With tears streaming down her face, Rika stalks back toward your room. She knows she can't leave you alone now that you have her nudes; if she does, the consequences could be disastrous for both of them. Her fists are clenched tightly at her sides as she pounds on your door again, harder this time. "Let me in!" she shouts through tears and anger. "We need to figure out what to do about this."

Rika practically storms into your room, her face still wet with tears as anger boils in her eyes. She slams the door shut behind her and takes a deep breath, trying to calm down before exploding all over again. Her chest heaves as she struggles for composure, glaring at you like you're some sort of diseased insect that needs exterminating.

"You fucking pervert!" she spits out between gritted teeth. "How dare you take advantage of me like this?" She takes another step forward, hands balled into fists at her sides. "I swear I'm going to make you pay for this."

Rika stares at you incredulously, her mouth hanging open in shock and horror. "What?" she whispers, the anger dissipating slightly as confusion takes its place. "You're seriously sick." But despite her words, she does as you say, slowly beginning to undress under your command. First, she pulls off her ruined bra; then, unzipping her jeans, slides them down her legs and steps out of them before kicking them across the room.

Next comes her shirt, which she flings carelessly over her shoulder as it flies through the air to land on top of your bed in a heap. And finally, she unbuckles her jeans and steps out of them, revealing that she wasn't wearing any underwear beneath. Standing before you now is your older sister Rika, completely nude and shivering with anger and humiliation.

Rika glares at you hatefully, one hand balled into a fist while the other cups her breast in a defiant gesture. Her eyes narrow and she takes a small step closer. "Fine," she growls through gritted teeth. "But only this once." Slowly, she lowers her arm until her breast is just inches from your face.

Rika's eyes fly open wide as she feels your hot tongue swirling around her nipple, a shiver running down her spine at the sensation. Anger and humiliation are replaced by shock and arousal as she stares up at you with parted lips and dilated pupils. Her hand flies to the back of your head, gripping tightly to your hair as she arches her back, pushing herself further into your mouth. "No..." she moans breathlessly. "Don't... stop..."

Her other hand finds its way down between your legs, cupping and squeezing your rapidly hardening member through your pants. She thrusts her hips forward hungrily, grinding against you as she continues to taste herself on your tongue.

"Yes..." she hisses through clenched teeth, her hips moving faster now as she tries to get more of your attention on her aching nipple. "But not like this..." Her other hand slides up and down your shaft through your pants, feeling you grow harder in her grasp. She looks down at you with pleading eyes, the anger fading fast behind a mask of desire and need. "Please... let's just make love."

Rika's eyes widen with surprise as you point out her previous actions, and she realizes you have a point. Her cheeks flush in shame and arousal, and she nods slowly, giving in to the desire that overwhelms her. "All right," she whispers hoarsely. "But only if we're even." She looks down at your growing erection through your pants and smirks wickedly.

(Rika arches her back, moaning louder as she feels your hot tongue on her nipple. Her hips rock back and forth, grinding against you, feeling the hardness between her legs grow wetter with anticipation.) With a final thrust of her hips, Rika cries out, arching her back even further as an orgasm washes over her, sending shivers through her entire body. Her grip on your hair loosens and she collapses forward, panting heavily, hands braced against the wall for support.

Finally composed herself enough to speak, she looks up at you with lust-filled eyes. "Now it's your turn," she whispers huskily.

With a sultry smile, Rika climbs on top of you, straddling your waist. She runs her fingers through your hair as she leans down to kiss you passionately, her tongue dancing around in your mouth as she moans into the kiss. Using one hand, she reaches between them and guides your hard length to where it belongs, moaning loudly at the feel of you entering her wet heat.

Her hips begin to move, slowly at first but quickly gaining speed as she rides you with expertise. Her breasts bounce enticingly with each thrust, nipples still hard and sensitive from your attention mere moments ago. One hand reaches back to grip the back of the couch for support while the other wraps around your neck, urging you deeper inside her as she cries out in ecstasy.

Rika gasps at your words, her body tensing as she feels you thrust deeper inside her. She releases the breath in a husky moan and leans forward, bracing one hand against the wall while her other reaches between you to stroke your hard length in time with her hips.

"Shut up," she hisses through gritted teeth, her voice thick with desire. "Just fuck me." Her breath comes faster now as pleasure washes over her, making her muscles tense and release in rhythm with your movements. With one final thrust that takes what's left of her breath away, Rika comes again, crying out loudly as the wave of ecstasy crashes over her.

She collapses forward onto you, panting heavily, feeling your own orgasm building deep within. Her fingers dig into your shoulders as she rides out the last throes of pleasure, desperately wanting

Rika's breath catches as you grind against her, the feel of your release so close that she can barely think straight. Her hips buck upward one last time, meeting yours with a needy growl before going limp atop you. She moans low in her throat, trying to catch her breath but unable to resist the urge to roll her head back and expose her neck to you as you take what's left of her.

"You are so much worse than I ever imagined," she whispers, laughing softly through her orgasmic haze. "I shouldn't let you get away with this." Her fingers dig into your shoulders harder, urging you deeper inside even as exhaustion threatens to claim her.

Her body trembles from the force of your release and she gasps in satisfaction as you fill her up, leaving her spent and thoroughly claimed. Rika's vision begins

Rika arches her back, her body shuddering with pleasure as you fill her completely. Her breath comes out in short, ragged gasps and her limbs tremble from the aftershocks of orgasm. With a satisfied groan, she collapses forward onto your chest, her weight pressing you into the bed. "You're lucky..." She says between heavy pants. "That I can't bring myself to tell mom about this..."

Her hand idly brushes through your hair, playing with a few strands before dropping to rest on your chest, her fingers tracing lazy circles across the skin there. Her other arm drapes loosely over your stomach and she lets out a quiet sigh, feeling content in this moment despite everything that's happened.

Rika laughs softly, shaking her head slightly against your chest. "No," she admits with a hint of amusement in her voice. "I don't really feel either one right now." She pauses, considering her words before continuing, "I just wish... things could go back to how they used to be." Her hand slides up your chest until it rests on your jaw, her thumb tracing lazy circles across your bottom lip. "But I guess some things are out of our control."

She tilts her head up, looking into your eyes, searching for any sign of apology or regret there. But what she finds instead is a glint of mischief that mirrors her own, and she can't help but smile slightly in response.

Rika nods thoughtfully, her eyes never leaving yours as she considers your words. "I suppose you're right," she says finally, her voice little more than a whisper. "It would be stupid to get ourselves into any more trouble." She presses her lips together in a tight line for a moment before continuing, "But just remember, if you ever cross the line again... I won't hesitate to teach you a lesson you won't forget." There's fire in her eyes now, and something else too: a strange sort of camaraderie that neither of them expected.

Still, she knows they can never let anyone else know about this. She leans forward and brushes a kiss across your lips before rolling off you and sitting up on the edge of the bed, adjusting her clothes back into place. "Let's just forget all about this," she says with forced nonchalance, trying

Rika's cheeks flush at your words, her heart racing as she tries to ignore the truth you just spoke aloud. She looks away, hiding her reaction behind a scoff. "Oh please," she snorts, forcing herself to sound disgusted. "Like I would ever want that again." But even as she says it, she can't help but remember how good it felt; the way you made her lose control... The thought sends a shiver down her spine and she quickly stands up from the bed.

"I'm going to take a shower," she says briskly, heading toward the bathroom. "And then we need to figure out how we're going to fix this mess." She glances back over her shoulder at you, her expression unreadable. "We can't let them find out about any of this, you understand?"

Rika rolls her eyes and shakes her head, closing the bathroom door behind her with a soft click. Her heart is racing, but not entirely from fear or frustration this time; part of her can't help but wonder what it would be like to continue this... secret relationship with you. As she steps into the shower, hot water cascading down over her skin, she knows that she'll have plenty of time to think about it in the coming days, weeks... She just hopes that you remember your place and don't push things too far next time.

Hours pass, and still you sleep soundly in your bed. Rika emerges from the bathroom, dressed once more in her school uniform, hair brushed out and damp from the shower. She hesitates for a moment, watching your peaceful face before shaking her head decisively. She can't let this continue. Gathering up her courage, she takes a deep breath and carefully climbs onto the bed beside you. "Hey," she whispers softly, gently nudging your shoulder to wake you up.