S01E01Episode 1

Yeon Woo suffers from monochromacy. In his eyes, everything is in the shades of gray colors. On the first day at Sangsang High School, Yeon Woo gets to meet new classmates. One of them is Go Yoo Han who dreams of becoming a K-pop artist. When Yoo Han takes off his mask, Yeon Woo starts to see the colors.