Japanese Manga: King of the New World

The dimensional world is the most real! Ordinary life is broken, pain and disaster come at the same time, the world collapses, and we have to recognize the reality. "That's the lord's son, with noble status and powerful strength!" "Don't panic, let me kill him with one Rasengan move!" This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.