the_debt_of_time

When it felt like she could not take another centimetre—let alone another inch—
Remus growled deep in his chest and thrust upward, stretching and filling her completely.
She cried out as discomfort gave way to unbearable pleasure, her limbs shaking.
Remus stared at her—no, Moony stared at her—the wolf inside of him pacing
behind his eyes with a needy lust. She could feel it, as though their physical connection
linked her closer to him than ever before. She could feel the pulsating desire, unaware
whether or not it was her own yearning or theirs. It was not just sex or the inevitable
orgasm that was quickly building for each of them. No, she could feel the hunger—Moony's
primal need to dominate, to bite and claim and mark, sealing the pack together.
The stillness was almost unmanageable, and Sirius must have agreed because he
shifted his cock inside of her, and Mia gripped onto Remus's shoulders to balance herself.
The small movement from behind her, inside of her, nearly tipped her over the precipice of
sanity.
At the small flutter of her walls and tight passages, both wizards bucked forward
simultaneously groaning out an array of swears and gasping breaths at the clenching
tightness around their cocks.
Remus groaned. "Bloody hell."
"Oh fuck. We need—oh fuck—coordination," Sirius mumbled inarticulately.
At his words, Remus nodded his head against Mia's shoulder. Slowly, the two found
a rhythm that had them pistoning in and out of her, while she writhed between their sweat-
soaked bodies.
"So good," Mia heard Remus moan as he thrust hard into her eagerly, eliciting deep
gasps from her as she grew more and more overwhelmed by the multitude of sensations
overtaking her.
Somehow, her usually filthy-talking boyfriend had been brought to silence, save for
deep, feral grunting as he continually drove into her from behind, breathing hard against
her back where he paused every few moments to kiss and lick at the skin between her
shoulder blades.
"I... I can't.. ." Mia cried, feeling her body beginning to break down. It was too
much—too powerful. The additional pull of magic around her only made everything that
much more sensitive. "I need... Please, Remus."
He stared into her eyes, his golden irises nearly glowing in the dark.