[ kakyoin stiffened slightly at that ungraceful display, expression scrunching up in distaste at 'measuring contest.' (unnecessarily crude!) but he remained otherwise still, carefully arranged to conceal as much as himself as he could while completely naked. ]

There's a key over there.

[ a small tilt of the head towards the table where the key can be seen gleaming. for most people, it would be out of reach, but for him ...

a meaningful pause as kakyoin considered the situation, then continued levelly. ]

Let's make a deal.

I have some tricks up my sleeve. I can easily get that key, while you look away. In exchange, once that's done, I avert my gaze while you find clothes. Or ... anything else that would work as clothes.

Unless you have a better idea.