Elf: Starting from the King of Heaven

A hundred years ago, a different-dimensional space called the Secret Realm came to the earth, and various strange elves became associated with humans. In response, various professions related to elves were born! There are dangers hidden everywhere in the secret realm, and thousands of elf trainers die in the secret realm every year. This novel and its characters are purely fictitious, and any similarity is purely coincidental. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.