Humans and monsters live on the surface. Chara and Frisk are twins. They have an older brother, Asriel. The whole story has changed. Chara and Frisk went through the game's plot together, but Chara as a genocide and Frisk as a pacifist. But suddenly a conscience woke up in Chara, she and her sister threw everything off and walked through neutral. The sisters broke the barrier. When the monsters got to the surface, Asgor and Toriel adopted the twins.