Runners (Teresa x Y/N) [Book 1]

Y/N find herself being awakening in a metal box and surrounded by four giant stone walls, But she awoke surrounded by all boys and is the only girl, until that is the dread sound of that rusty metal box rose for what would be one of the last times, with the last human ever but this time was different for it wasn't a boy, instead a girl, How will will Y/N face in that moment and What memories will she unlock I wonder.