Natsuiro Matsuri (夏色 まつり) is a Japanese virtual YouTuber (VTuber) affiliated with Hololive Production. She is part of Hololive (Japan) 1st Generation alongside Akai Haato, Yozora Mel, Shirakami Fubuki and Aki Rosenthal. Matsuri debuted as a VTuber on June 1, 2018, and has since amassed over 1 million subscribers on YouTube.