[Now with the full knowledge Genos isn't going to know him, even a little, he's a bit conflicted. The need to pretend rose back up. If Genos didn't know he was a coward, why let him know he was one now? It would be neat to look cool in front of the super cool Demon Cyborg. So he puts up his bluff face, the more friendly expression and relieved smile faded, and he grunts as if in thanks as Genos helps him hold back the door. ("Helps" being an untrue statement, King's tight muscles relaxed and he's basically leaning on it since he knows Genos could handle this.)]

Do you remember as a kid, your parents told you about the akaname if you didn't clean your bathroom? That's what's in there. I...think.

[Despite putting on the tough hero persona, he couldn't help but to speak to him with a little familiarity. If Genos thought King only knew him because of a network post or someone gossiping about him, then the way King spoke to him was probably a little weird for a stranger.]