Midori has four siblings, Taurus, Colin, Verna, and Bliss. Colin was her twin. Melissa mostly had a happy childhood, her parents loved her but Bliss was the favorite. One day she got mad at a fellow classmate, because they didn't like her clothes, and for revenge, she left him in an abanded classroom keeping hin punching himself over and over again. A mentor found out what happened and she got sent to Exillium. Her overprotective little sister, Bliss went with her.