Calista Medley dreamed of being a fighter, but after years of trial and error, she's given up her training and dedicated her life to a Socializer channel with three girls she loathes.

Her sister, Catalina, feels helpless watching Calista's happiness chip away in a world she doesn't belong in. When a last-minute spot opens at the prestigious American fighting academy, Fistborn, Catalina sees a window of opportunity to revive Calista's long-lost childhood dream. With her hacking skills, she managed to enter Calista into the school!

But how will she get on the team if she hasn't trained in years?