Sayumi Michishige

is a Japanese pop singer and talent. She is a former sixth generation member and leader of Morning Musume., as well as a former leader of Hello! Project. She first became a member of Morning Musume. in 2003, as a sixth generation member alongside Fujimoto Miki, Kamei Eri and Tanaka Reina. On November 26, 2014, she passed her leadership of Morning Musume.

to Fukumura Mizuki and Hello! Project to Yajima Maimi when she graduated. She is well known for portraying a narcissistic image in TV shows, often calling herself the cutest member of Morning Musume. She created "Usa-chan Peace" (Bunny Peace), which is a phrase Michishige uses to identify herself.