Long ago, You fell into the cavern under Mt. Ebott, but luckily, you were adopted by the Caretaker of the RUINS, Toriel Dreemurr, Where you were patched up

After a few years, Toriel called you on your phone, really excitedly and quick, you could make out the words "My child!" "Hu-an" "soon!" You decided to just wait and see whatever she was talking about

About an hour later, You sat in your bedroom, when the door opened.... To reveal. Another human??

They looked at you, a little confused, before quietly speaking

Frisk: "...who are you...?"