Death Unexpectedly at the Beginning, Discovering Another Side of the World

Two protagonists, unsystematic big world humor Mu Yu accidentally traveled to a world that was almost exactly the same as the Earth. However, when he was in his twenties, he was involved in a big war while delivering a takeaway, and discovered the other side of the world, the dark world. After his death, he discovered that he did not seem to be simple either... He was chosen by the world to be the last tomb keeper and the big BOSS in one of the nine dungeons of all living beings. Han Feifan, an ordinary college student, accidentally gets involved in the dark world. Is it a choice of fate or... The "heroic road" of a funny boy... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.