"We fight to protect things that are dear to us." - Fearless Fourous.
At first glance, Mahiru Kaname, Tiffania Valliere, Konoe Chesare, and Helene Chesare. Seems like nothing more than a typical Senior High Student. But suddenly they transfer to another school with a promise with themselves never to fight again, they trying to move on with their lives because of the very unhappy after taste. Those four girls are determined to change their ways and become a normal schoolgirl. But, chaos ensues with them, when they found out what is going on to their new school. Ever wondered of a place where Gangsters do exist?