You Are Definitely Not an Ordinary Person

A delivery boy and his sister depend on each other for life, but a car accident changes their peaceful life. When a change occurs, they gradually come into contact with another strange world. The surrounding creatures are gradually mutating, and there are forces lurking in the dark. A plan is brewing about them. "Catch that man!" "Report to the boss, none of the brothers who entered that roast chicken restaurant came out alive!" "Isn't he an ordinary person?" "He is definitely not an ordinary person!"