"You don't like it when I call you Bunny?" Kotetsu asks, the nickname cut off with a gasp when he feels Barnaby's leg pressing against him, rolling his hips down to encourage the friction. He doesn't comply with Barnaby's request immediately, instead drawing his hand up the smooth, bare planes of muscle, tight around Barnaby's ribcage, where he can feel the quiet flutter of his pulse through the skin. "I like to think of it as a way of expressing my affection."

His breath fans out against the side of Barnaby's neck. "It's easier to call out, too," he whispers, raising a thumb to his lips, wetting the skin before dropping his hand back down to Barnaby's chest. He draws a careful circle around the darker skin of Barnaby's nipple, coaxing, picking up speed when the pace of his own breath grows ragged.

Back curling as he kisses a trail down Barnaby's chest, Kotetsu replaces his thumb with the point of his tongue, tracing experimentally as his hands are newly freed. He pulls his tank top over his head quickly, breaking contact for only a second before his lips close around the nipple again, sucking and teasing with the edge of his teeth. When he feels Barnaby's hands exploring lower, Kotetsu shifts his weight, making it easier for the waistband to slip down over the cut of his hips.