Colorist

A world tainted by darkness. Driven by the Black Witch, humanity is driven into a vast city of light and color. Humanity embarks on a journey to reclaim the world, and a young boy named Kay seeks to join the pioneering group. However, he is ostracized for being a colorless being, possessing no color. Then, one day, a tragic accident transforms Kay into the color black...

Original Webtoon:
Naver Webtoon, Naver Series

Official Translations:
Japanese