She was a spokesmodel for Tomy Company, Ltd. early in her career.
About Risa Niigaki
Pop music performer and idol who rose to fame as a member of both Morning Musume and Hello! Project. With Morning Musume she was the longest serving member and also acted as the leader of the outfit.
She was married to Yoshikazu Kotani for several years before the couple divorced.
Friends and colleagues
Both she and Sayumi Michishige were members of Morning Musume.
She made an appearance in the 2003 feature film Koinu Dan no Monogatari.