People Enter the Underworld

This was a world where gods and demons coexisted. A door opened... A kind of creature appeared... They were extremely powerful, fighting... Concealing... The truth... Intrigues... Internal and external troubles... Where would the human race go... A young human race boy was born, and after the baptism of practice, he started a life-and-death struggle with this creature. What chance? Or perish... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.