You were an outcode-- Someone who had no purpose or significance in life. When you woke up, you were given the name Nightfall, since your memories had all blurred. The creator would send you to different universes every so often, and you were confused what their goal was, but followed along. Soon enough, you befriended, Sans, Lust, Swap, Ink and Dream. Even the evil and dangerous ones like Fell, Error, Killer, Horror, Dust, Cross and even Nightmare.