There was an awkward silence in Mallory's room as the girls changed for bed.
Climbing under the covers together, they avoided eye contact, their faces pink with shame and arousal. Despite their best efforts, neither girl could dismiss their desire for each other.
"L-lizzie?" Mal asked, staring sheepishly at the ceiling.
"Um... Yeah, Mal?" Lizzie croaked, risking a glance in her sister's direction.
"Um.. Ahh.. Nothing.... Nevermind. Good night!" Mal replied nervously. She struggled to make eye contact with Lizzie. Lizzie forced herself to meet her sister's gaze.
"Yeah, good night, Sis."
She hesitated, then leaned forward, placing a soft kiss at the corner of Mal's mouth. Pulling away slowly, the two sisters stared into each other's faces for several seconds.
Then suddenly, the silence was broken by what were now familiar sounds drifting from the other room. The girls heard one of their cousins moan, and both knew exactly why.
They looked at the wall, then back to each other, and Lizzie let out a quiet giggle. Mal giggled too, and they relaxed, smiling at one another as the passion from the other room began to drift through the wall.
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The house was dark now, the rest of the girls in bed. Jill and Candace were enjoying each other once again in the guest room. Jess had passed out quickly, the alcohol too much for her tonight. Brittany snored softly as she lay next to her.
Tiffany was laying in Lizzie's bed, watching her sister Nikki as she stripped to her panties and pulled on her tank top. She climbed in next to Tiff, said goodnight, and turned onto her side.
Tiff hesitated, then suddenly blurted: "I was awake last night."
The words hung in the air for several seconds. Nikki didn't move, didn't turn to face her sister. Tiff reached out to touch her on the shoulder, and she tensed.
When Tiff started lightly stroking her arm, Nikki relaxed, and sighed. She swallowed hard, turning slowly to look at her big sis.
"So, you saw me..." she said. Tiff nodded.
"I also heard our sister and whoever she was with in the other room." she said with a chuckle. Nikki smiled, then giggled with her sister.
"So, you're ok with what I did?" she asked.
"Are you kidding? If you weren't so wrapped up in yourself, maybe you would have noticed me fucking myself just as hard right next to you!"
Nikki gasped, her eyes wide. She didn't know what to say.
The sisters were quiet for another moment, until Tiffany decided to go for it. She leaned forward, gently kissing Nikki on the lips. Nikki hesitated for a fraction of a second, then returned the kiss eagerly.
Soon, their hands were reaching for one another, pulling their bodies closer as their tongues explored each other. Nikki whimpered against her big sis's lips as she felt her ass being groped. She pushed her ass back into Tiff's hand, prompting the older girl to squeeze it roughly.
As Tiff fondled her sister's cheeks, Nikki put her own hands to work, sliding one down the front of Tiff's panties.
The older girl groaned, feeling Nikki's fingers slide against her opening and plunge inside. She dug her own hands into Nikki's panties, now groping at her naked ass cheeks.
As Nikki's fingers continued to tease her juicing pussy, Tiffany stroked her fingers inward to her little sister's crack, sliding them down to press at her asshole.
Nikki gasped, pressing her groin into her sister's thigh and rubbing her fingers faster against Tiff's clit. Tiffany pressed back against Nikki's hand, and started worming a finger into the girl's sweaty backside.
Nikki's thick cream had already spread all over the inside of her panties, and Tiff's finger easily slid inside her tight anal opening, slick with sweat and pussy juices. The room was filled with quiet moans and slapping skin as the girls fingered each other vigorously and made out.
Nikki shoved her fingers deep inside Tiff, curling them forward. She scraped them along her sister's vaginal wall, hitting her g-spot, and Tiff lost it. She pulled her lips from her sister's, pressing her face instead into the nape of the younger girl's neck while she rode her fingers in orgasm.
She pumped her own finger faster in Nikki's ass, and Nikki humped herself faster against Tiffany's thigh, sending herself into her own powerful climax.
The two young women clung to each other tightly as they fucked against each other, drawing out their orgasms until their hands were sticky, their lungs breathless, and their sweat soaked hair plastered sexily against their faces.
Tiff finally pulled herself from her sister's neck, and gasped when she realized she'd left an obvious hicky.
"Oh, shit.. I bit you!" she panted, still breathless from her orgasm.
"Really?? Fuck, is it obvious?" Nikki replied, pulling her wrinkled fingers from Tiff's panties.
"Um... Yeah... Fuck, what are we going to do about that?"
Nikki tried to feel worried like her sister, but she was already sniffing the slick juices on her fingers, and the need was rising in her pussy again.
Tiff smirked as she watched Nikki suck at her fingers, then groaned and bit her lip as she realized how sexy a sight it really was. Both girls quietly decided they would worry about the hickey later, melting into another passionate kiss.
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