At the beginning of the Death World, Reiko's body was smashed to pieces by the broken world, and he started a journey to all realms.

Uncle's World from Another World: Aunt Cui is actually my neighbor!

The World of One Punch Man: The Bald Devil’s Bad Friend?

Those who want to become a powerful shadow person: I am really not the protagonist!

Spells return to the world: become the fifth super spellcaster!

Overlord (Bone King World): I became one of the 41 Supremes, but now I just want to be a human.

Other worlds to be determined...