THE BOSS SYSTEM WITH UNLIMITED OPPORTUNITIES IN THE APOCALYPSE

A highschool boy named Billy who had a normal family though not rich provided him with everything within their capabilities for my success. Though life wasn't easy but strife to support my family in anyway possible until a day when I was late coming back home from work, I was attacked and stabbed by a group of bandits. Suddenly, instead of being dead, I was reborn in another world full of zombies, demons, monsters, and all sorts of creatures whose main aim is to destroy humanity. I was reborn in this world with a boss system and time will tell how my journey in this new world will be....