Elf Fighting Master

In the interface where the orbits of the earth and the elves world merge, elves can be seen everywhere, living and surviving in human society. Who can tell me what happened, why there are elves, am I also reborn? Eevee, Gengar, why did you come out of the second dimension? Hey, then I accepted the setting and wanted to become a professional trainer. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.