Angels don't leave

Hope was the youngest seed sibling who was blood related, but when she was young she went missing, to her this was on purpose to get away from such a religious family, to her brothers, this was the start of hell. They spent years searching for her and never found her, until a mysterious stranger helps elderly reach the bunkers and sings them the songs of the cult but then is no where to be found. Can they fix the sibling bond or will it be forever pin pieces

(THIS A MAZE RUNNER CROSSOVER AND PARTLY OUAT CROSSOVER)