It's the End of the World! Why Am I Not Dead Yet?

The familiar word doomsday can be associated with zombies, viruses, giant beasts, etc., A series of disasters that can wipe out mankind in an instant... And just before the end, my only father died on the hospital bed because he was fired from the company because he had no money for medical treatment. After a month of depression, I decided to commit suicide by jumping off the building. But not only did I not die, I turned into a zombie? ! And he's a zombie with self-awareness! It also has the ability to regenerate at high speed! In the following week, I tried various suicide methods, but all ended in failure... Finally, he accepted the reality, abandoned his original name, and took a new one called "Immortal" This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.