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Teaching sis a lesson (KrisBeta x Nevyn)

She groaned and rolled her body against the rubbing, eyes shut and too aroused to care about protesting anymore. She just wanted to cum so she could go back to being angry. She just hoped her sister would thrust those taunting fingers into her soon, knowing she could get off unless she did.
 
Seeing the pure lust on her sisters face, Amy grinned. Taking hold of the tape, she ripped it off her mouth and pulled the panties out. "If you start screaming again I will put it back in, got that?" She said, still playing with her clit. "So tell me sis, do you want to come? Do you want my fingers to get you off?" At the same time, one of her hands started to pull on one of Erryn's nipples.
 
She groaned loudly and nodded, hips bucking. "Yes. Oh god, inside..." She moaned the words out, hips trying to guide her fingers downwards that little bit. And her chest arched into the pulling on her nipple, face a study of arousal.
 
Seeing her sis like this, made Amy really happy. She wanted things like this to keep happening. She wanted to keep in control all time from now on. "Okay then beg me for it. Beg like a good slut would do. Beg me to keep on treating you like the bitch you are?" She said in a honeysweet voice, flicking Erryn's clit once again.
 
"Ungh..oh god, please Amy. Please make me cum!" She gasped out hips bucking wildly as she grew even more aroused and desperate. Her clit was throbbing now, almost painful when touched.
 
Amy just smiled. "Not until you tell me you're my bitch from now on." She said, tracing the outside of Erryn's pussy with her fingers, teasing her even more. "You know you want it, just give in and I'll make you feel even better." She gave honeysweet promises
 
Erryn whined and squirmed, trying to stay strong. But eventually she just couldn't anymore. "I'm your bitch Amanda!!!" She cried out desperately, bucking against her restraints in her need to cum.
 
Smiling wickedly, Amy put her phone back down as she had just made a recording of what Erryn said, knowing it would come in handy later on. Deciding that she would for now give her sister what she was begging for. "Good bitch, here's your reward!" Amy pushed two fingers in her twins pussy at once, while her other hand she really dug into one of Erryn's huge breasts.
 
Erryn cried out and came then and there, body writhing against her restraints as her orgasm tore through her. After all the teasing it was so much more intense than usual and when she came down she was left shuddering on the bed, sex dripping her juices onto the blankets beneath her.
 
When her twin came, Amy just watched in amusement as her hand got completely covered in her sisters juices. Pulling her fingers back out of her sisters pussy, she went towards Erryn's mouth with her hand and pushed her fingers inside it. "Come on clean up my hand that you dirtied with your slutty juices." She ordered her twin.
 
Erryn whimpered but did as she was told, still recovering from the intensity of her orgasm. Slowly though her mind was returning to itself from the lust-addled state it had been in. And once it had she growled and bit down on the fingers in her mouth with an angry glint returning to her eyes.
 
"Bitch!" Amy yelled out when Erryn bit in her finger. Pulling them out of her mouth, Amy started to slap Erryn's face a few times until both cheeks were burning brightly. "Dare bite me one more time and I give you such a punishment you wish I was slapping your face again" Her voice was so stern that it was clear that Amy wasn't joking as she brought her fingers again towards Erryn's mouth, seeing what would happen.
 
Erryn growled. "Let me go Amanda." She said firmly, eyes flashing as she tried to gather the remaining shreds of her pride and bravado. Which was difficult when she was tied naked and spread-eagle to a bed after being teased to climax by her own twin sister.
 
Amy just smiled at Erryn's act. "Why would I? I'm not finished by a long shot. Besides you told me that you were my bitch. This means I can do anything with you I like." She said, and to prove her point, she took her cellphone and replayed the sentence of Erryn saying she was her bitch over and over. "See." She said as she undid the towel still wrapped around her body.
 
Erryn's jaw clenched as she listened to her own voice speak the words desperately. Then she sighed, sagging a little. "What is it gonna take to keep you from revealing those pictures and the recording?" She asked, expecting her twin to blackmail her.
 
Amy's smile widened when Erryn sighed. "You think I'm going to spread these? No, no, no,no my stupid little slutty sister. These are for my own collection. But well you're right, what if daddy sees this? What if he decides to cut both of us off. I don't mind going to work, but you. Oh poor Erryn, what would happen to you?" She slowly walked to her sister, swaying her hips. "Now since your my bitch, why don't you use that mouth for something else then always talking."
 
Her eyes widened and she shook her head, pulling against the belts again. Her wrists were starting to chafed from all her struggling. "Hell no, Amy. I am not eating you out." She said warningly, ignoring the fact that the idea of doing so made excitement coil in her abdomen.
 
Amy just shrugged her shoulders. "Who asked what you wanted?" She said coldly as she slowly got on top of her sister. Her pussy was just as bald as her sisters, and it was also glistening with juices as she slowly lowered her pussy over Erryn's mouth. "I do swear, if you dare to bite me, I'll make it so you'll be eating through a straw for the rest of your life."
 
She growled through tightly closed lips, pulling her face away as best she could and breathing through her nose. She wasn't giving in that easily, no matter how good her twin smelled above her.
 
Amy smiled, she found it cute how her sis tried to struggle against the inevitable. Taking hold of Erryn's hair, she hold her head in place. "there are always other ways to do this you know." And at that moment she pressed her pussy down on her twins face. Slowly she started to buck her hips up and down, smearing her juices all over Erryn's face. "I can keep doing this until I get off, or you can use that sharp tongue of yours. what's it going to be bitch?" At the same time she reached behind herself with one hand and pinched one of her twins breasts as hard as she could
 
Erryn stubbornly shut her eyes as Amy ground herself onto her face, taking breaths through her nose when she could. Then came the pinch and she gasped at the pain right as her twin slid herself down over her mouth. Her weight kept her jaw down and thus her mouth open, despite her muffled protests and squirming.
 
"Come on sis, start licking. You know you want too as a dirty slut you are. You want to taste my dirty juices, don't deny it." She said, as she kept sitting on her sisters mouth. She was so horny and wet, her juices slowly were dripping into her own twin's mouth.
 
She grumbled and continued to struggle even as her jaw started to ache a little and her sister's juices dripped onto her tongue and slid to the back of her throat. She tasted good, and eventually she gave in and flicked her tongue out curiously to stroke up her sister's sex.
 
Amy let out a moan in pure pleasure when she finally felt her sisters tongue over her pussy. "Oh yeah that's it. Come on, don't stop now." She said with a hoarse voice, rocking her hips again. She was really horny and wanted to come, especially by her sisters tongue.
 
She set a pace then, getting into it as she started to lash her twin's sex with strong movements of her tongue. She started flicking her clit with it, watching Amanda move above her.
 
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