Let the monsters immediately grow accustomed to how they're meant to interact with one another from now into the end of days. Let them get used to their new arrangement. Make sure they really are compatible, otherwise they have to be dealt with. Again, make it work. Figure out how to make it work. Or else.

Vena's eyes slowly drop to the hands still firmly on his waist. He didn't feel so much as a muscle twitch in the face of his demand. Another refusal so soon after the last. Vena breathes out a rather loud, exasperated sigh, and looks back up at the insolent creature for the express purpose of making sure that Su-jin can see him roll his eyes. "Take your hands off of me and go sit," he repeats, and considers simply leaving it at that once more. He sighs again, this time a little less dramatically. "...please. You're tall."