2012, Niigaki graduated from Morning Musume and Hello! Project alongside Aika Mitsui. She handed down her position as leader of Morning Musume to Sayumi Michishige. Personal life Niigaki began dating Yoshikazu Kotani after starring together in the stage play Absolute Boyfriend in 2013. After two years of dating, they held their marriage ceremony on July 11, 2016. On January 6, 2018, both announced on their blogs that they were filing for divorce, citing they were growing apart. On June 30, 2022, Niigaki announced that she is remarried with a YouTube cinematographer Yasutake Yamaguchi. Releases Photobooks DVDs 2007-06-13 – 2009-01-21 – 2010-07-14 – Acts Movies 2002 – 2003 – Dramas 2002 – Angel Hearts 2002 – 2008 – Hitmaker Aku Yū Monogatari as Kei from Pink Lady Television shows Radio References External links Official Blog Morning Musume: Official Hello! Project profile 1988 births 7Air members Happy 7 members Japanese female idols Japanese stage actresses Japanese voice actresses Japanese women pop singers 21st-century Japanese women singers 21st-century Japanese singers Japanese child singers Japanese child actresses Living people Morning Musume members Tanpopo members People from Yokohama Musicians from Kanagawa Prefecture