The six of them are your brother, your eldest brother is, Nanamori, second Riinu, third Satomi, fourth Colon, fifth Jel, sixth Root and the last child is you. Of the six of them you're the only daughter in these seven siblings and of course you're treated like a queen because your brothers always pamper you especially Nanamori, your first brother. The six are also famous Japanese boybands but they have not forgotten their responsibilities as brothers to you.