[He hesitates another moment; on the one hand, it really isn't his place to get involved, especially since his arrival is what caused most of the problems in the first place.

On the other, it was because it was partially his fault that he feels compelled to do something. Especially since he often intervened between fights with the others back home because he didn't like arguments.

So, giving Kotori a motion to wait there a moment, he goes to follow Della - these strange human legs make it quick to catch up to her, but his normal legs would've made it even more so.]

I hope you can forgive me for intruding since this isn't my business...but in my experience, it's better to take care of these kinds of things than to leave them unresolved like this.