In this world, people who cannot see colors are Mono's, limited to a life of gray-scale until they meet their destined Probe. Yeon Woo, a teenage Mono, experiences his first color rush when ... Read allIn this world, people who cannot see colors are Mono's, limited to a life of gray-scale until they meet their destined Probe. Yeon Woo, a teenage Mono, experiences his first color rush when he meets Yoo Han, sparking a mutual infatuation.In this world, people who cannot see colors are Mono's, limited to a life of gray-scale until they meet their destined Probe. Yeon Woo, a teenage Mono, experiences his first color rush when he meets Yoo Han, sparking a mutual infatuation.