At the word "tonight", Johan straighened himself and looked at her, a confused, befuddled look plastered on his face. Was... Was that what she thought he meant? Or was that what she wanted to do, disregarding what he had meant entirely? Really, all Johan had meant was that when doing it during their travels, it would be nice just going out under the stars like that, but...

... Well, he supposed there was nothing particularly wrong with it, was there? Maybe Kay was rubbing off on him, but he couldn't help but grin to himself, even chuckle at the idea of just falling asleep on someone else's room, wearing someone else's clothes, and acting like that was a normal thing to do. Who knew, maybe they could make a habit of it when they were in town?

"Hmm? Oh, I wouldn't say that!" Johan replied cheerfully, attempting to match Kay's innocent tone. While he was still grinning from his own thought process, he'd gone right into replying to her pretty remark with the grin, which might not give off the message he was aiming for. Regardless, the duelist continued, oblivious to anything he might or might not have done, his eyes lighting up in a way they just might not have had he not been exposed to this world, and certain people in it, for so long. "What do you say then? Tonight?"