[ charles just keeps holding onto him, not entirely sure he won't just fall over if he lets go. and — well, as much as he'd like to believe that it's an extremely unlikely event for junpei to be in danger, previous events have proved that wrong. so really, the best he can do is try, and that's... you know, maybe that's as good as it's going to get. and with this promise, he also has junpei's explicit permission to protect him, place himself between him and danger, which — good. ]

Well, [ charles' expression turns into a sincere smile, then, ] Aces, then. It's a promise I'll hold you to.

[ a pause. ] And sorry, honest. Guess we know now why mirror hopping isn't good for humans, don't we?