Ah, right. Back 'home.' [goddd props to the method actors out there but they really can be exhausting sometimes. But really: while he hasn't yet come to understand just how this hotel can play with the minds of its residents, he has more than enough experience with ayakashi to know that these sort of weird fixations can develop. She seems human at first glance, but that doesn't mean much-- it was always harder to tell while inside an ayakashi realm if there weren't any obvious giveaways, and even if she is a normal human she could still be under some external influence. Or she could be fucking with him to try to lure him off to eat him, or she could genuinely just want to stay in character for whatever cheesy porno he committed to. The only way to find out which option it was is to play along.

So he gives her an absolutely dazzling smile and holds up his cup as an excuse.] Sorry I snuck off again. I didn't mean to make you work so hard to find me.

[Here's a fun fact about Natori Shuuichi: he had a housekeeper growing up and she was far and away the kindest person to him in the household since his mother died, so he knows how to be a good bocchan from personal experience.] Shall we head back? Lead the way.