Amidst the modern times, a virus suddenly broke out affecting a large total of the world's population. The virus kills the cells of humans and makes them go berserk. It is safe to say that the affected people are so closely related to what they call "zombies". You are just a gymnast, you don't know how to fight so you struggle to survive daily. Not until you met this stranger at an abandoned building, who is said to be an underground boxer.

"Do you need help?"