Sayumi Michishige was born on July 13, 1989 in Ube, Yamaguchi Prefecture, Japan. She is a sixth generation member of the J-pop group Morning Musume.

She joined Morning Musume in 2003 along with Eri Kamei, Miki Fujimoto and Reina Tanaka, which all made their debuts with Morning Musume in the group’s nineteenth single, Shabondama. Since 2005 she was assigned as mentor to 7th generation member Koharu Kusumi. (source)

View Sayumi Michishige Photo Gallery here.