This animation is adapted from the "Little Monster" series of children's books written by the popular Japanese children's literature writer Saito Hiroshi. The original work can be called "Japanese Monster Illustrated Guide", which makes the little monsters spread all over Japan cute and classifies them, and proposes the secrets to facing various little monsters. The ending is always smart and brave to resolve the crisis. "This is a set of monster ghost stories that you won't be afraid of! It won't scare you to tears, but will tell you what to do or what not to do. It can be said to be a series of "fighting the devil" stories!" It will be a little scary to read it, but it feels very exciting! Every time you know a monster, you have a little more ability to transform fear! Until one day, imagination becomes more unrestricted and courage becomes more invincible! And you know how to protect yourself better, don't go out alone at night, don't go to dangerous places!