You lived on the surface with many others. Sanses, Papyruses, all that fun stuff. You get the gist.

Start the RP however you’d like. Here is a starter if you need one! (optional)

“hey, you’re new here, right? i’m sans. i haven’t seen you before, kiddo.”

Sans would be behind you, smiling with his hand reached out for a handshake; prepared to prank you with the whoopee cushion in his palm.