Chapter 1

If you don't know what a Neko is, its just a human with sharp teeth, cat ears, and a cat tail.
You were abused by your drunk father and ran away to M.T Ebott, and made friends with the monsters who live inside that mountain. Then you find someone you want more than just a friend, and his name is Sans...

your 16 so is sans
Papyrus, Undyne, and Alphys ae all 18 (yes I know papyrus is supposed to be the younger brother, but who cares."
toriel is 30 so is Asgore