Yuuki Chiba (千葉雄喜, born April 22, 1990) is a Japanese rapper, singer and songwriter from Oji, in Kita, Tokyo. From 2008 to 2021 he recorded under the name KOHH, releasing albums such as MONOCHROME and DIRT and appearing on tracks by Keith Ape, Frank Ocean and Hikaru Utada. After retiring the KOHH name and pausing his music at the end of 2021, he returned under his own name in February 2024 with the single "Team Tomodachi" (チーム友達). In September 2026 he released "Shinu ka Ikiru ka" (死ぬか生きるか), the ending theme of the anime Steel Ball Run: JoJo's Bizarre Adventure.
