

1999-05-0727 years, 6 months, and 1 days old
Hokkaidō, Japan
No
Female
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.

| Title | ||||||
|---|---|---|---|---|---|---|
Morning Musume.'21 DVD Magazine Vol.136 | 0 | 2021-09-11 | 0.4947 | |||
Morning Musume.'21 DVD Magazine Vol.137 | 0 | 2021-10-16 | 0.6746 | |||
Sato Masaki ~prism~ | 0 | 2022-02-28 | 0.6413 | |||
Morning Musume.'21 Ishida Ayumi & Sato Masaki FC Event ~Hiyoko ga 10nen Tattara, saa Nani ni Naru?~ "Maa Birthday Yattenai yo. Semete Ishou dake Kisasete!" "Iya, Title Nagai yo!" | 0 | 2021-10-01 | 0.3694 | |||
Morning Musume.'21 Kessei Kinen FC Event ~Musume×FAN×Fun!~ | 0 | 2021-09-14 | 0.6036 | |||
Morning Musume.'21 DVD Magazine Vol.138 | 0 | 2021-12-13 | 0.3575 | |||
Morning Musume.'21 2021 Autumn Teenage Solution ~Sato Masaki Sotsugyou Special~ | 0 | 2021-12-13 | 0.4505 | |||
Sato Masaki Birthday Event 2023 ~Emerald planet~ | 0 | 2023-05-08 | 0.3828 | |||
Morning Musume. Best Selection ~The 25th Shuunen~ | 0 | 2023-08-30 | 0.8765 | |||
Morning Musume.'14 FC Event ~Premoni~ | 0 | 2014-02-23 | 0.3628 |