As a child, Tian Hui was bright and full of life. However, a childhood of little joy devoid his world of color. Now in high school, he has no ambition, passing his time either sleeping or reading. One day, however, with a new transfer student coming... “Huh... Mei Mei?” “Huuuuuh, Hui Hui!?” Reunited with the childhood friend who was his first love and also the one who solidified his world in gray before disappearing, will his world stay monochrome or will his heart be rekindled, bringing color with it?