Kou Uzuki (卯月コウ) is a male Japanese Virtual YouTuber and a member of the Nijisanji group. Known for his bright personality and mischievous sense of humor, Kou frequently streams games, chats, and participates in collaborative events with other Nijisanji members. He is depicted as a cheerful high school boy who enjoys interacting with his fans and fellow streamers. As a prominent member of Nijisanji, Kou is beloved for his energy, comedic timing, and ability to build camaraderie within the group.