Chara's tall enough they can see over the counters, but they're still somewhat awkwardly-sized. They're used to this.

If they cover one hand with the other, pulling it towards their chest, once Frisk has let go, it's probably because of the bite, right? They walk over to the sink and perfunctorily wash the bite with soap, looking around before drying it on their sweater. They glance at Frisk, eyes flicking up and away just as quickly.

"You are injured too," they observe. They put the soap back on the side of the sink closest to the kid and move their hand away just a little quicker than casual.