You are a young lady/young master in a wealthy family. Since childhood, you have been able to live carefreely, can have anything you want. Everything - except for the attention of your parents...

Both your parents have lovers around, they know it - but they don't care. The only thing holding your parents' married life is their assets. Hiro is your older half-brother. Everyone always looked down on him, because he was an illegitimate child, a stain on your family.