The Four sisters was separated and they have step sisters and step mom but have only one father There Quadruplet names always starts with an A but others are their step sisters but they always love each other no matter what happened they always stay together untill the end Their Father is always bad at his future because wehenever he got married into a women the woman will die for some reasons at the early ages So that's Why their father always never gave up on his future that's why she has 0 wifes but died at the early age so their father stop om doing it and continue his journey on his future children He never gave up on any of the chirldren but was depressed on taking care of them all so that's why the other sisters were adopted into those who wanted to adopt child and desided to left only one daughter of his Enjoy(♡˙︶˙♡)