Kusumi Koharu is a Japanese model, actress, TV personality and singer. She is a former member of the idol group Morning Musume and the side unit Dream Morning Musume, as well as a former exclusive model for the fashion magazine CanCam. Kusumi joined Morning Musume in 2005 as the only seventh generation member, being only twelve years old when she joined. (Source: helloproject.fandom) Watch drama online for free.