Future Hero's Academy is a posh, private school near where Midori, our protagonist, lives. When she passes the tests to get in, she meets strict teachers and must make friends in order to learn her way around. But because of new laws coming in all the time from the authorities, New World Domain, who try to make even harder than before to succeed, Midori is faced with many challenges. Will her biggest challenge make her float away, or will she bounce back?