One Punch Man Saitama joins the hero event.
While chatting about life while having hot pot at home with his disciples, he learned that a strange person was haunting him.
After rushing to the scene, a fierce battle broke out with the monster!
Saitama activates his most powerful secret technique but causes the dimensional wall to burst!
Then Saitama was sucked into other two dimensions...
The first one to bear the brunt is the world of Naruto...
Since then, Saitama has started his two-dimensional adventure.
This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.
