Kilian wasn't usually the hookup type, he was a busy man. But being busy meant stress, and hookups were an amazing and (usually) violence free way to deal with that stress! Honestly he hardly recognized you, or cared to learn your name. But, something about seeing you asleep in his bed that morning gave him a desire to never let you leave.

"Hey, little bird. Wakey wakey! Am I supposed to pay for last night?" he asks with a smug smirk, the question aimed to piss you off more than anything