KenshinWolf01
After having a heated argument with their father The older and younger siblings decided to go to the hill behind the manner while they walk and talk they then heard the crying of an infant,
After having to fight 20 grimm They saved the infant but was too late to save the parents and the oldest schnee swore that he would protect and rather as if she was his own
And it was on that day that The oldest of the schnees became a father at 12 years old and raised her as his own
By the way I do not own satsuriku no tenshi, tensei shitara slime datta ken, dark stalkers, one piece, fairy tail, van Helsing, the underworld series, highschool dxd, RWBY, they belong to the original owners