Technological advancement?

"The more you speak, the more you make it worse." Luna spat.

"Is it possible to change the voice recognition thingy? I for one wouldn't want to hear you say open while I'm inside my room." Lank furrowed his brows, expecting a response.

Mr. Zhao's anger subsided at the question raised. As much as he wanted to flare up earlier, this question was genuinely correct and valid, he couldn't help but nod to the answer.

"It's possible to change it, my voice is nothing but a default input for a few things." He explained, folding one of his hands on his back and the other stroking his chin.

"Consider that the first thing to do on my list." He looked at the rooms, conflicted about choosing a room.

"Since you're so indecisive, I would take the first step." Nix shook his head as he walked to the first door. 

Without another word, he used his leg to kick the door shut.