Mettaton is in one of the tearooms, contemplating where to go next and what to do next when the door opens and he stands up from the couch, eyes wide and magic at the ready. His mirror had told him not to leave his room; that other mirrors on this side were dangerous. He may not have listened to the first part but he is deeply aware of the second.

It's a surprise to see who, exactly, walks in.

"...Chara?"

They're carrying a basket of snacks and first aid kits and it's such a baffling sight that Mettaton is momentarily speechless.

"What are you doing here?"