How many sleepovers can one have in a row before you are obligated to stop calling it a sleepover? They hadn't officially found the answer to that question yet, technically, but they'd toed the line plenty of times. Enough so that Kai didn't feel real worried about what would change. Maybe they could have reached this point of being frank and just asking earlier, but... this worked out better, Kai thought.

"'Fraid I don't have any references," Kai said with a hint of a smirk, "so I can't promise a more stellar experience than you've already been getting." You know the ones. The octopus arms and scuttling up to the roof and all those illegal amounts of bedhead. Etc. etc.

"But yeah, I'd want to give it a go." There it was, that sweet sweet verification Shinji was looking for. But hang on, there was more! "Been thinking about it for a while, actually."