Koharu Kusumi (久住 小春, Kusumi Koharu, born July 15, 1992 in Nagaoka, Niigata, Japan), is a J-pop singer and voice actress in Hello! Project. 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 she joined Morning Musume, she was the captain of her school's volleyball team. Kusumi's audition process and debut was documented during the 2005 episodes of TV Tokyo television show, Hello! Morning.
