Marnie and Natsuki stepped into the empty, oil-covered room, their skimpy workout outfits leaving little to the imagination. Marnie stretched her arms above her head, her toned abs on full display. "I can't believe you talked me into this," she said, eyeing Natsuki with a mix of amusement and annoyance.
Natsuki smirked, her own body glistening in the dim light. "You're the one who suggested a 'sexfight' to see who's the better lover," she retorted, her voice dripping with sarcasm.
Marnie rolled her eyes. "Oh, please. Like you could resist a challenge like that."
Natsuki couldn't help but grin at the truth in Marnie's words. She watched as Marnie grabbed a bottle of oil and began to cover herself, her skin glistening in the dim light. "You know, you're looking pretty damn good covered in oil," Marnie said, her voice low and sultry.
Natsuki scoffed, but couldn't help the blush that crept up her cheeks. "You're not so bad yourself, oil-slicked curves and all," she said, earning herself a playful slap from Marnie.
The sexfight began in earnest, with Marnie and Natsuki grappling with each other, their slick bodies sliding against each other. They exchanged heated kisses as they tried to gain the upper hand, their moans and gasps echoing in the empty room.
Natsuki managed to pin Marnie down, but Marnie used her flexibility to escape. She straddled Natsuki, pinning her arms above her head. "You're not so tough now, are you?" Marnie taunted, her hips grinding against Natsuki's.
Natsuki let out a moan, her body responding to Marnie's touch. "You're just a oily show-off," she said, trying to hide the desire in her voice.
Marnie responded by grinding her hips against Natsuki, eliciting another moan. "Is that all you've got?" she asked, her voice filled with playful insult.
Natsuki managed to flip Marnie over, now on top. She teased Marnie, asking if she was ready to surrender. Marnie retorted with a playful insult, saying Natsuki's "oil-slicked hair is distracting."
Natsuki leaned down to kiss Marnie, their bodies writhing against each other. Marnie managed to flip Natsuki over again, now back on top. They continued to grapple, their bodies slick with oil. Marnie and Natsuki were evenly matched, neither able to gain the upper hand.
Marnie suggested they call it a draw and continue their lovemaking in a more conventional manner. Natsuki agreed, and they collapsed onto the floor, spent from their exertions.
As they lay there, panting and covered in oil, Marnie and Natsuki exchanged playful insults and laughter. They knew they'd be finding oil in unexpected places for days to come, but it was worth it for the fun they had.
They began to make love again, slower and more sensual now that the competition was over. Marnie and Natsuki explored each other's bodies, their hands slick with oil. They reached their climax together, their bodies shuddering with pleasure.
Marnie collapsed onto Natsuki, both of them spent and satisfied. As they lay there, basking in the afterglow, Marnie and Natsuki made plans for their next sexfight. They both knew it'll be just as fun and playful as the first.
The chapter ends with Marnie and Natsuki covered in oil, their bodies entwined as they drift off to sleep, already planning their next playful encounter.
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