Synopsis: Xing is from Muochen the city of no color and Evolet is from Hueville a city of quite the opposite. The two are brought together when Xing decides to move to Hueville. But the moment Xing steps foot into the colorful metropolis, Hueville begins to lose its color. Thus, the two embark on a journey in hopes of finding and reviving the color source, only to find the source of color had been closer than they thought — right at the core of Muochen.