Koharu Kusumi is a J-pop singer.She joined Morning Musume as the only seventh generation member and as the youngest soloist to debut in Hello! Project, being only twelve years old when she joined. Before Koharu joined Morning Musume, she was the captain of her school's volleyball team.Koharu has been a member of the Hello! Project kickball team Metro Rabbits H.P. since its formation in the beginning of 2006 and since April 7, 2006, she has been the voice actress for Kirari Tsukishima, the main character in the anime Kirarin Revolution.
