"Hey, you said you wanted a sister, right?" First year highschool student, Toujo Basara, was suddenly asked by his father and fell into a state of panic. On top of that, the eccentric father told him he wil...

A story of Yūsuke Kamoshita who is living alone until he literally stumbles across a girl called Noelle, a very energetic girl who claims is trying to become an angel. Noelle and her entire family proceed t...