Michishige Sayumi

Sayumi Michishige is a former Japanese singer, actress and model. She is a former sixth-generation member and former leader of the J-pop group Morning Musume. Following the departure of fifth-generation member Risa Niigaki on October 12, 2013, Michishige held the longest tenure of any member in the group's history even after her graduation. She went on to hold this record until surpassed by ninth-generation members Mizuki Fukumura and Erina Ikuta in December 2022.