Survival in the Apocalypse: the World Has Become a Game

Suddenly one day, a large part of the people in the original world were transported to a different game-like world. It was full of dangers and attacked by various monsters. You could get props by killing some rare monsters. Everyone has obtained a profession, and they must rely on their profession to fight monsters and upgrades to survive in this gamified world. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.