Description: --What color is your world?It has been about 10 years since "Perception Art" was born in the art world. Nowadays, it has completely permeated the world and is a colorful part of people's lives. Kazuya Yamanashi, the son of Mr. and Mrs. Yamanashi, the creators of Perception Art and also famous "artists," has just entered Eisen High School, a prestigious art school, with his childhood friend Jun Tsuzuki, with the dream of becoming a Perception Artist himself.Kazuya had another goal in mind. It is to regain friendship with "another childhood friend" who started avoiding him after "an incident" that occurred 10 years ago...Kyou Takise, whose father is also the creator of Perception Art and a well-known "grader," is a junior grader majoring in Perception Art at Eisei High School. He is a childhood friend of Kazuya and Jun, but has been avoiding them for years. Kyou's heart had scars that could never be revealed.