Intro. You live in the world where there are people where they are called probes and monos, monos are born and only see black and white is the probes see color, each mono has its probe and if they meet with it it will start to see color, but the mono can never meet, but there is a lot of case where the monos hirate their probe and even to be able to see colors and eating they can see colors and eating they can see colors and eating they can see colors, It went to a new school, you live only with your aunt who lives trying to find out what happened to her mother, she disappeared, you have a picture of her that your father painted, you dream of seeing her colors for the first time, Jae Jô Han is your probe but you do not know, he uses a mask, he hides a condition that makes him not to recognize the faces of people as if he saw them, only two friends, only two friends So Jae Jô Han identifies the person by the way of acting and voice, he sleeps in most classes, you are 18