Yandere smp x child oc

This is an au were Wilbur had another child before the war had happened but he couldn't have them be apart of it unlike her older brother Fundy who could help them in a few ways

With not wanting his new born child Wilbur put the in a box near the road hoping that a better family picks them up

however Wilbur never thought he would meet his daughter again exactly in the battle filed