Love Me Harder

He flexes on purpose. It's ridiculous and exaggerated, but his biceps swell under Sunoo's grip all the same, and he knows exactly what he's doing. When Sunoo's grin suddenly turns dangerous, mouth curling slow and sly, Sunghoon knows exactly what's about to happen. So he flexes again, slower this time. Not as a joke-well, kind of a joke-but there's heat in his eyes now, and the way he draws his arms in, tensing just slightly under Sunoo's touch, is no longer just for fun.

Sunoo doesn't say anything right away. His fingers tighten subtly, thumbs pressing into the curves of Sunghoon's biceps like he's testing their firmness. Like he's genuinely impressed. His gaze trails from his hands up to Sunghoon's face, pupils dilated, lips parted, and breath still catching just faintly from the near fall. There's a slow beat of silence. The kind that hums under the skin. The kind that only happens between two people who already know where this is going.

"Oh," Sunoo finally says, low and sultry, the corner of his mouth tugging upward. "Don't start, Park Sunghoon."

Sunghoon raises a brow, pretending to play dumb. "Start what?"

or: How Sunghoon got those bicep bruises.