I'm Only Six Years Old! Start by Scaring Away the Daluo Jinxian Monster.

Really invincible and refreshing article! When he was six years old, he was frightened by the Daluo Jinxian monster! Ye Haoyang traveled to a world full of Tao. In that world, you can become stronger by practicing anything, so many strange fighting methods appeared, such as "Keyboard Man" and "Chef" and other strange monks. And before this world was born, he had acquired the ability to complain. Was he invincible at the beginning? Later, he also gained the power to meet demons, making him even more invincible, right? And Teacher Saitama is invincible with one punch. What should I do? I can't keep a low profile! And what's going on with the Devil's High School in Sakura Country's Academy City? Why is there still King's Academy in this world? What is this? What the hell is this other world in dimensional time and space? Why is this world different from what I imagined? Am I too strong? The introduction is weak, please read the text! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.