A Stepmother's Marchen - Chapter 17

Our protagonist Caam is a man from Earth that was reincarnated into this world as a demon. In order to survive, he spared no effort in avoiding the sparks of battle and without noticing it, he became strong himself.

As a creation-type devil fruit, the Superman Barrier Fruit is not too much to use it to open Susanoo, right? Katakuri’s glutinous fruit can have countless fists, can’t my barrier fruit do it?

The biscuit fruit of the cracker can have a biscuit army, but can’t I have a barrier fruit? Brother Ming’s thread fruit can have a shadow riding thread clone, but can’t my barrier fruit? What, even mr3’s wax fruit has so many wax figure clones, and candle robot armor?

No, I have to refer to it, and I have to play better! My barrier fruit should be greener than blue and better than blue! My creativity is beyond your imagination! !

- Description from novelbuddy

A man who was once called the world strongest agent ended up becoming a teacher after his retirement to train the new generation of agents. After many years of training his disciples, he is killed at the age of 60 by the ploy of a secret organization and was reincarnated in another world with all his past memories.Though he was surprised by the magic and the strange species of that world, he adapted very fast to his condition as a newborn and took advantage of it. He acquired special magic and gained a massive amount of strength thanks to his tight discipline in order to reach his goal: resume his career as a teacher which he left halfway through in his previous life.This is the story of a man who based on the memories and the experiences of his previous life, became a teacher who travels through the world with his new students.

The Void Demon Realm invades, and Shu Feng awakens to become a Spiritualist, coming into contact with the true reality of the world.No one knows that he has a Mysterious Base within his body which could use Void Demon's power to enhance his body.