Y/n is a 19 year old human girl who fell into the world of monsters. Tori and Asgore took her in right away Asriel, Chara, and Frisk loved having a older sister. Y/n had a f/c soul and for her it was caring and kindness. One day Y/n, Tori and Frisk went for a walk in snowedin and Bara sans and Y/n met for the first time. (ps I'm throwing in a few guest)