Cocolors

Ash carrying harmful organisms has driven humanity underground, where protective suits and masks conceal every face. Aki, a boy prone to making things up, grows up in this confined world alongside Fuyu, who communicates through music.

Their friendship reaches across barriers that make even expressions impossible to see, sustained by curiosity about the surface. When danger threatens their refuge, imagination and companionship offer a fragile source of hope within the grayness surrounding them.