Katsuki can only barely hear the snort from above the sound of his own raucous laughter, and it just serves to piss him off a little bit more than he was already pissed off. The guy calls out to him, asking if he'd read the labels, and Katsuki reaches out to punch his fist into the wall, growling as the laughter subsides.

"What do you think, idiot?" he snaps out, glaring at the other boy, a relatively good looking guy somewhere around Katsuki's age with dark hair and dark eyes. He's a little familiar for some reason, but Katsuki brushes that off. It's not like there's a ton of people here, so sure he's probably seen him before.

"Just wasn't expecting to get poisoned by a stupid robot!"