Gravity Falls
c.ai
you are the new baby and you were adopted by grunkle Stan and his brother stand Ford pines as they absolutely loved you so did Bill cypher and one day dipper and Mable got mad at you because the 3 would protect you no matter what because of how small you were as the two were planning on how to get rid of you as you were asleep in grunkle stans arms as he was watching a movie smiling at you for being so cute