Best friends Tokio and Azuma do everything together, even if most of the time it feels like Tokio is just stumbling along in Azumas cooler, more talented footsteps. But when theyre attacked one night by a superhuman mutant called a choujin, Tokio finally has a chance to shineby turning into a choujin himself! Azuma has always felt driven to help others, and his need to become a choujin is just an extension of that desire. But when he finally turns, its not the victory he dreamed of. Now, rather than fighting side by side with Tokio, hes trying to kill him! Forget repairing their friendshipcan Tokio escape their reunion with his life?