The grin she can see coming a split second before it actually happens on Castle's lips, pulling back to reveal that devilish smile that's graced the back sleeve of all his bestsellers. What she's not predicting is the flip, and she has the vague sensation that she's been moved to her back but it doesn't really register in her brain until he's the one gazing down at her instead of the other way around.

Beckett extends a hand to him then, fingertips grazing the angle of his jawline, her arm suddenly losing all will to hold itself upright the moment his lips press those kisses to her skin. Her eyes fall closed by reflex and she sighs, thighs tightening against his hips in mute reply. Never let it be said that Castle doesn't know every which way to drive her out of her mind.