Origin of Rebirth

a man that died after an accident , gain a rebirth to live in a new world where there is a lot of mythical creatures inside it.

Such as,goblin,ogre,orc,dragon,and many creatures that he never thought was real.

There is also another races like elf , dwarve , and Giant.

There is a lot of things is different in that world.

he found out that the world he living in, is the whole new world to start with.