Biography

佐藤優樹 (Sato Masaki) is a Japanese pop singer. She is a former idol under Hello! Project as a 10th generation member of Morning Musume., as well a former member of the SATOYAMA movement units Harvest, Jurin, and Sato no Akari. She graduated from both Morning Musume. and Hello! Project on December 13, 2021 due to health issues. As of April 2022, she is part of the M-line club.

Known For

Hello! Project 2015 Winter ~DANCE MODE!~

Hello! Project 2013 Winter Tanjou 15 Shuunen Kinen Live 2013 Fuyu ~BRAVO!~

Morning Musume.'19 DVD Magazine Vol.118

Hello! Project 2019 Winter ~NEW AGE~ Hello! Project 20th Anniversary!!

Hello! Project 2014 COUNTDOWN PARTY 2014-2015 ~GOODBYE & HELLO!~

Hello! Project 2018 Summer ~OG Corner 2~ Hello! Project 20th Anniversary!!

Morning Musume.'20 DVD Magazine Vol.125

Hello! Project 2015 Hina Fes ~Mankai! The Girls' Festival~ ℃-ute Premium