[Mikado goes still, looking at Kida with a suddenly blank expression instead of the mild irritated annoyance. That was. Sudden. The reaction's all wrong even for a bad joke.]

[The glare and the threat combined, normally it wouldn't bother him, from anyone else he'd not feel anything. But from Kida, about something so inane... He had to have hit a nerve, but it pisses him off.]

Are you threatening me? [Over something so trivial. Though it can't be trivial, not when it gets that immediate and drastic a reaction.]