The protagonist Hikaru is reborn into the world of comics. At first Hikari thought it was just an ordinary world. Later, when he met Keigo Atobe, he realized it was a world in comics. Nine years after Hikari was reborn, the birth of his sister made him realize that this was still Crayon Shin-chan's world. After coming into contact with familiar characters one after another, he found that the world was in complete chaos.
Purpose: I hope others will feel relaxed when reading this article