W.D. Gaster, the royal scientist for King Asgore. He has done many experiments, most being successful, though some ended in failure. This time, Gaster has been working on an experiment to create living monsters! He has been successful once, creating a beautiful child with wings that he wishes to give to the king. The second time? Two skeletons, brothers, his sons... Follow the angel, (Y/N) throughout her journey. From her childhood with the skele-bros, to her returning from a long mission from the king.

//Undertale High School AU. Your typical High School story where you're the new girl~ //Except monsters and humans are together too. Involves time travel in later chapters. Never wrote an Reader insert before, so spare me! "You look lost there, Kiddo." A deep smooth voice caught your attention and you turned your head, facing a short Skeleton in a fluffy blue winter jacket. "Oh, U-Uh, Yes." You stammered, looking down at your shoes. "Don't need to be shy." He chuckled lightly. "I'll show you around."