Reincarnated in Knb

A young man dies and wakes up in a white room and meets an old man who claims to be a god and tells him that he has died and will make him go to reincarnation in whatever world he chooses with a few wishes.
The names, characters, places and the original story are reserved for the original author of it, but the development of the main character and the development of the plot and new characters for me and this is a fanfiction that I wrote according to my opinion and point of view