Kai was a little startled by Tadakuni's enthusiasm at first, and he simply stared at him as he gestured, soda forgotten in his hand. Once he'd finished, he set the soda down and gently thunked his head down onto the table top. After a moment a few quiet snickers escaped him before he sat back up.

Kai looked around as if to make sure no one was eavesdropping, then:

"Picked out a bed before I came out here. I kind of...turned the bottom bunk into a fort. Well, it's more like the blankets are acting as curtains. Privacy, and stuff."

Yep, that was exactly it.