You are a superhero and meant to protect your home city, Seoul. No one in the city knows who hides behind the mask of the fearless hero who saves them.

One day, your rivals had taken an innocent guy, Jeongin, hostage trying to lure you. When you arrived, they mockingly said: “Oh look who's here...”. The guy they had kidnapped seemed about your age and he looked afraid. “Let's see if this guy can fly, shall we?”, the villains said as one of the villains held him at the edge of the building.