One punch of Justice

Teacher Saitama in the world of One Punch Man traveled to the world of One Piece for some reason.
In this colorful world where evil is hidden everywhere
, the existence of heroes brings light to ordinary people.
Justice is enforced!
Regardless of whether they are pirates or navy
, any evildoer should be punished!
The first world: pirates.
Second World: Dragon Ball.
The Third World: My English School
The Fourth World: One Punch Man:
Life in a Different World from Zero, The Rising of the Shield Hero, and the Naruto World are being opened one after another…
(Special Note: We will travel to other worlds in the future, in In any world view, teachers are invincible)