Biting his lip against the fluttering sensations settling in his stomach, Caboose closes his eyes as he's pushed back and down to the bed. Arms still tight around Kirk, his fingers dig into the other man's skin in response to all of the attention to his own chest. Kirk knew he was sensitive, and if he had the presence of mind or breath Caboose would call him out for cheating- but it in contrast the soft touch of Kirk's lips to his skin was so sweet. Caught in a loop of a jolt of sensation and caress of his lover's mouth, Caboose was almost melting against the bedsheets.

"A-anything... so long as you keep doing that."