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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The sounds coming through the wall were getting louder, and Mal and Lizzie were getting turned on as they listened to their cousins fuck. They were laying side by side, their bodies turned to one another, in the exact same position they'd been in when the sounds began.
Mal was watching Lizzie's face closely. She could see her sister was getting aroused. Her nostrils were flared, and she kept licking her lips nervously. Her eyes smoldered as she stared back at Mal.
Mal reached out, stroking Lizzie's hair, and the younger girl shuddered and let out a long sigh. The two girls cuddled closer, and wrapped their arms around each other. Their legs slid together, and their noses were centimeters apart.
"What was it you were going to ask me before?" Lizzie whispered. Mal could feel Lizzie's breath on her lips.
"I was going to ask... if I could kiss you goodnight." Mal answered.
Lizzie smiled shyly. She closed her eyes, and puckered her lips slightly in response.
Mal felt her pussy creaming at the sight of her sister's sexy lips. She closed her eyes, and leaned forward. The two girls kissed softly, their lips pliant against each other, then slowly pulled apart.
"Um.. Can I kiss you goodnight, too?" Lizzie asked softly.
Mal giggled, and nodded gently. Again, the girls both leaned forward, this time holding their lips together longer. They pulled apart again, looking into each other's eyes.
Without another word, they leaned in again, and pressed their lips together more firmly this time.
The noises coming from the other room were shaking the walls around them, but the sisters had forgotten all about their cousins. Their kiss deepened, and finally, Lizzie's lips parted, allowing her sister's tongue to push inside. Their tongues stroked against each other wetly, and they moaned against each other.
The kiss grew quickly from tender to passionate, their arms encircling one another and their bodies pressing together tightly.
The girls got hotter as they made out heavier, and Lizzie pushed her big sister onto her back, rolling on top of her. They started to grind against each other, tongues probing deeply between each other's lips.
Their hands began to explore, groping and fondling their way under each other's tank tops. As they squeezed their hands around each other's bare breasts, they kicked the covers off, panting in the heat they were creating.
Mal struggled to pull her sister's shirt over her head. When Lizzie sat up to lift it completely off, Mal sat forward, tonguing her sister's nipples hungrily. Lizzie groaned, grinding herself down in her sister's lap and holding her head to her breast.
Mal lapped at her sister's hardened nipples, nipping and nibbling at them. As she continued to grind her hips, Lizzie reached behind her big sister, pulling at her shirt. She yanked it up over Mal's head, and the sisters struggled to remove it, before crashing back into each other, kissing intensely.
Their wet panties slapped together as they writhed against each other, falling back so they were again laying on the bed.
Mal's hands found her sister's ass, pulling her down hard against her own thrusting hips. Lizzie clumsily intertwined her legs with Mal's, and the two girls ground hard into each other's thighs.
Mal's hands slipped inside Lizzie's panties, her fingers digging hard into her naked ass. They panted and squealed, sucking and kissing at each other's gasping mouths and grinding faster and faster, their climaxes approaching fast.