Not A Test Subject (Science Sans X Reader)
You were a human who lived on the surface with an insane father who used living beings as lab rats and guinea pigs for his research he even used you. He tried creating your mother into a powerful being but the process failed and it took her life away, from then on he became insane. You decide that you should just end your life since it's filled with nothing but sadness and depression so you climb the famous moutain, Mt. Ebott. There, you meet a skeleton who changes your entire life.