[His shin! Is kicked. Kazuya frowns, adjusting his grip on Akira with a wince. Ow? Ow! He hasn't been nearly as violent as this would-be hero... Rude. Mean.]

Kick me again and I'll put a tetrakarn on myself and see how you like it.

[AKA, Everyone's favourite Stop Hitting Yourself spell. It's also not a threat, but a promise.]

Ah, yeah. I forgot to say. We're from pretty similar worlds, by the way. Same magic. Same demons, just that yours are head demons and mine are actual demons.

[He's not letting the term head demons go. Thank you.]