Sato Masaki

Sato Masaki (佐藤優樹) 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.
==Biography==
===Early Life===
Sato Masaki was born on May 7, 1999 in Hokkaido, Japan.
===2011===
On September 29, Sato was selected from Morning Musume's 10th generation audition to join the group along with Iikubo Haruna, Ishida Ayumi, and former Hello Pro Egg member Kudo Haruka."モーニング娘。10期メンバー　決定！" (in Japanese). Hello! Project. 2011-09-30. The 10th generation made their official presentation on the same day they were announced as new members at the Morning Musume Concert Tour 2011 Aki Ai BELIEVE ~Takahashi Ai Sotsugyou Kinen Special~ concert, and they participated in a performance of the songs "Tomo" and "Namidacchi".
===2012===
On January 13, the Morning Musume 9th generation and 10th generation members began a web talk show exclusive to fanclub members, titled Morning Musume 9ki・10ki Member WEB Talk Maji DE Pyoko!.https://twitter.com/MorningMusumeMg/status/157420658849095680 They also began a radio show on April 7, titled Morning Musume no Morning Jogakuin ~Houkago Meeting~, on Radio Nippon.https://twitter.com/morning1422/status/188635623681302528
On April 18, it was announced that Morning Musume's Tanaka Reina and the 9th and 10th generation members would participate in a new musical titled Stacies Shoujo Saisatsu Kageki. The musical ran from June 6 to June 12.
On May 13, information was released about an event featuring Morning Musume's 9th and 10th generations and S/mileage's 2nd generation, titled Mosuma FC Event ~Gachi☆Kira~. It took place throughout June and the beginning of July at Yokohama Blitz.
On October 10, it was announced that Sato would be a member of the new SATOYAMA movement unit Harvest alongside Ikuta Erina, Ishida Ayumi, and Takeuchi Akari.
===2013===
On May 7, Sato celebrated her 14th birthday at a fanclub event titled Sato Masaki Birthday Event ~14sai Nau Nauuuu!!~, which featured two shows at TOKYO FM HALL and had Kudo Haruka as a guest.
On May 16, the Morning Musume 9th generation and 10th generation members' fanclub-exclusive web talk show Morning Musume 9ki・10ki Member WEB Talk Maji DE Pyokopyoko! ended with a total of 70 episodes."モーニング娘。9期10期メンバー Webトーク「本気DE飛跳！」（Vol.70）」本日21時より配信♪" (in Japanese). UP-FC. 2013-05-16.
On July 23, it was announced that Sato would be a member of the new SATOYAMA movement unit Jurin with Juice=Juice member Miyamoto Karin.
===2014===
On March 13, it was announced that Sato would be a member of a newly formed SATOYAMA movement unit with Katsuta Rina and Uemura Akari called Sato no Akari.
On May 7, Sato celebrated her 15th birthday at a fanclub event titled Morning Musume '14 ~Sato Masaki Birthday Event 2014~, which featured two shows at TOKYO FM HALL.
===2015===
On May 7, Sato celebrated her 16th birthday at a fanclub event titled Morning Musume '15 Sato Masaki Birthday Event, which featured two shows at TOKYO FM HALL.
===2016===
On May 20, Sato celebrated her 17th birthday at a fanclub event titled Morning Musume '16 Sato Masaki Birthday Event at Yamano Hall.
On December 22, it was announced that Sato had injured her back and was diagnosed with acute lower back pain from a lumbar herniated disc. As a result, she missed the Morning Musume '16×ANGERME FC Event "Gachi☆Kira Christmas Sen" on December 24, as well as the cheki and handshake events on December 25."モーニング娘。'16 佐藤優樹についてのお知らせ" (in Japanese). Hello! Project. 2016-12-22.
On December 28, it was announced that Sato would continue to miss the Hello! Project COUNTDOWN PARTY 2016 ~GOOD BYE & HELLO!~ concert, as well as the January 2 to January 4 shows of the Hello! Project 2017 WINTER tour due to her back injury. She would have an appointment with her doctor on January 4 to determine whether she was fit to perform again or not."​モーニング娘。'16 佐藤優樹についてのお知らせ" (in Japanese). Hello! Project. 2016-12-28.
===2017===
On January 6, it was announced that Sato would take a break from activities until late February."モーニング娘。'17 佐藤優樹 ステージ活動休止のお知らせ" (in Japanese). Hello! Project. 2017-01-07."[EN Concerning Masaki Sato of Morning Musume。'17]." UP-FRONT LINK. 2017-01-11. Sato had a re-examination of her lumbar disc herniation two days before, which the doctor concluded she was still not in the condition to resume performing on stage. At this time, the representative and Sato herself revealed that she was diagnosed with a suspected lumbar disc herniation back in June 2015, but she did not have enough time for physical training. Sato did physical training throughout January as the doctor monitored the progress of her condition. In mid-February they would judge whether she could restart activities in March.
Due to being in recovery during the production period, Sato was not featured in the A-sides of Morning Musume '17's 63rd single, "BRAND NEW MORNING / Jealousy Jealousy", released on March 8."モーニング娘。'17 NEWシングルリリースのお知らせ" (in Japanese). Hello! Project. 2017-01-26. Despite this, she was featured in Limited Edition SP's exclusive B-sides.
On February 24, it was announced that Sato would return from hiatus on March 18, on the opening day of Morning Musume '17's spring concert tour."モーニング娘。'17 佐藤優樹 ステージ活動再開のお知らせ" (in Japanese). Hello! Project. 2017-02-24."[EN Concerning the medical condition of Masaki Sato]." UP-FRONT LINK. 2017-02-24.
Sato celebrated her 18th birthday at a fanclub event, titled Morning Musume '17 Sato Masaki Birthday Event, on May 8 at Differ Ariake.
On May 19, Sato released a digital song with Kudo Haruka titled "Miss Henkan!!".
On November 8 and 9, the 10th generation members of Morning Musume '17 held the Morning Days Happy Holiday 10ki Member Iikubo Haruna・Ishida Ayumi・Sato Masaki・Kudo Haruka Fanclub Tour in Yamanashi.
===2018===
On March 17, Sato was featured in the graduation2018 Koukou Sotsugyou published by TOKYO NEWS magazine&mook, commemorating her and other idols' graduation from high school in 2018."graduation2018 高校卒業" (in Japanese). TOKYO NEWS magazine&mook. 2018-03-17.
On May 7, she celebrated her 19th birthday at a fanclub event titled Morning Musume '18 Sato Masaki Birthday Event at Differ Ariake.
On October 6, Sato released her first visual photobook, titled Sankaku no Glass."佐藤優樹(モーニング娘。'18)ファーストビジュアルフォトブック「三角の硝子」発売決定！！" (in Japanese). Hello! Project. 2016-08-27.
===2019===
On March 8, it was announced that Sato would voice the recurring character Mei, the baby sister of the main character, in the NHK E Tele anime Aware! Meisaku-kun which began its fourth season on April 5."モー娘。佐藤優樹、NHKアニメ「あはれ！名作くん」準レギュラーに！「1年かけて言葉を覚えます!!」" (in Japanese). The Television. 2019-03-08.
On May 7, she celebrated her 20th birthday at a fanclub event titled Morning Musume '19 Sato Masaki Birthday Event with two shows at Shinagawa Stellar Ball.
On October 5, the Hello Tsu PHOTOBOOK① was released, including Sato's gravure that was originally published in a June 2018 issue of Weekly Famitsu."「ハロ通 PHOTOBOOK①」発売決定！！" (in Japanese). Hello! Project. 2019-08-23.
===2020===
On May 7, she was set to celebrate her 21st birthday at a fanclub event titled Morning Musume '20 Sato Masaki Birthday Event with two shows at Zepp Tokyo. It was later cancelled due to the government's declaration of emergency following the spread of COVID-19 getting worse.http://www.up-fc.jp/helloproject/sp/news_Info.php?id=15485 The event was eventually rescheduled for August 26.
===2021===
On February 21, Sato Masaki was absent from a release event due to poor health and severe abdominal pain.https://twitter.com/upfrontworks/status/1363294176826191874 It was later announced that she had been diagnosed with irritable bowel syndrome by a doctor. She had also taken a blood test that same day, and she was subsequently absent from activities until the results came out."モーニング娘。'21 佐藤優樹に関するお知らせ" (in Japanese). Hello! Project. 2021-02-22. On March 12, it was announced that she would need two weeks of treatment for her irritable bowel syndrome, and she would be absent from the March 13 Hello! Project 2021 Haru "Kachou Fuugetsu" concert as a result."モーニング娘。'21 佐藤優樹に関するお知らせ" (in Japanese). Hello! Project. 2021-03-12. On March 23, it was announced that Sato would remain on rest from all activities until the end of April as the symptoms of her irritable bowel syndrome have not changed. As a result, she would be absent from the Hello! Project Hina Fes 2021, from the April 4 to 29 concerts of the Hello! Project 2021 Haru "Kachou Fuugetsu" tour, from the 16th ~That's J-POP~ release commemoration event on March 25 and 30, and from the "Junjou Evidence / Gyuu Saretai Dake na no ni" release event on April 3."モーニング娘。'21 佐藤優樹に関するお知らせ" (in Japanese). Hello! Project. 2021-03-23. After consulting with a doctor, it was announced that she would be absent for concerts through May 30 so she can continue treatment and refrain from strenuous activities."モーニング娘。'21 佐藤優樹、岡村ほまれのライヴ出演に関するお知らせ" (in Japanese). 2021-04-27. 
On June 3, an update on Hello! Project's website announced that Sato would also be missing the Hello! Project 2021 Summer Sapphire & Ruby tour, scheduled to start in July, as it was still difficult for her to do work that involves long-term travelling and activities in an environment where she have to stay in the same place for a long time. She would be gradually resuming other activities by watching her situation from time to time."モーニング娘。'21 佐藤優樹、岡村ほまれ 今後の活動に関するお知らせ" (in Japanese). Hello! Project. 2021-06-03. On July 5, another update on Hello! Project's website announced that she would also be absent from the Hello! Project 2021 Aki "Zoku Kachou Fuugetsu" tour."モーニング娘。'21 佐藤優樹の今後の活動に関するお知らせ" (in Japanese). Hello! Project. 2021-08-05.
On September 24, it was announced that Sato would be graduating from Morning Musume and Hello! Project on December 13 in order to begin activities as a solo artist. Since February, Sato has been suffering from irritable bowel syndrome, which made her absent from several activities, mainly concerts and events. Her condition has been improving, but it is still interfering with her activities, and she expressed that it is difficult for her to continue activities as a Morning Musume member. As a result of several discussions, she decided to improve her health condition first rather than continue in the group under this situation where she can't make plans for the future. She also had a strong desire of graduating at a Morning Musume concert, and although she is still concerned about her health, she decided that the upcoming concert at Nippon Budokan, which was already planned to happen, would be her graduation concert. Sato has also expressed desire to continue her music activities as a solo artist after graduating, so she is planning to distribute singing videos while monitoring her health."モーニング娘。'21 佐藤優樹の卒業に関するお知らせ" (in Japanese). 2021-09-24.
On October 1, she and Ishida Ayumi held a joint fanclub event titled Morning Musume '21 Ishida Ayumi & Sato Masaki FC Event ～Hiyoko ga 10-nen tattara, saa nani ni naru? ~“Mabasude yattenai yo. Semete isho dake ki sasete!” “Iya, taitoru nagai yo!”, featuring two shows at Edogawa cultural center.
On December 15, she opened an official Ameba Blog.https://ameblo.jp/masaki-sato-official/entry-12715835104.html
===2022===
On April 15, it was announced that she joined the M-line club."佐藤優樹　M-line club 加入のお知らせ" (in Japanese). M-line club official site. 2022-04-15.
===2023===
On January 1, she was transferred from to alongside Michishige Sayumi, Inaba Manaka, Morito Chisaki, Ogata Risa, and Kaga Kaede.
On January 27, a staff Twitter account of Sato was opened. Along with it, it was revealed in a teaser video that Sato would be making her solo debut in spring.https://twitter.com/masaki_staff/status/1618835884090228738
On March 27, she was diagnosed with COVID-19. She had reported symptoms of sore throat and fever that morning, and took an antigen test which had a positive result. Release events for her debut single would be postponed until she is able to return in full health."佐藤優樹の新型コロナウイルス感染に関するご報告" (in Japanese). J.P ROOM. 2023-03-27.
On March 29, she made her solo debut with the single Ding Dong / Romantic Nante Gara ja nai."佐藤優樹 ソロデビューシングル 発売決定！" (in Japanese). J.P ROOM. 2023-02-16.
===2024===
On February 13, it was announced that a new unit formed with the M-line club members Sato Masaki, Miyamoto Karin, Inaba Manaka, Ozeki Mai, and Ogata Risa named SIOOM (from M-line Music) would be singing the ending theme of the MBS drama Cinderella Complex. The song is a cover of the song "C\C (Cinderella\Complex)" originally released by the unit High-King in 2008 titled "C\C (Cinderella\Complex) '24"."ハロプロOG・宮本佳林、小片リサ、佐藤優樹、稲場愛香、小関舞がユニット結成　High-Kingをカバー" (in Japanese). natalie. 2024-02-12.
==Personal Life==
==Profile==
==Discography==
===Singles===
#[2023.03.29] Ding Dong / Romantic Nante Gara ja nai
===Digital Songs===
*[2021.12.14] Egao no Kimi wa Taiyou sa
===Solo Songs===
*[2016] Ou no Tsutome (from Zoku 11nin Iru! Higashi no Chihei, Nishi no Towa)
===Solo DVDs===
*[2012.07.11] Greeting ~Sato Masaki~
===Solo Fanclub DVDs===
*[2017.09.26] Morning Musume '17 Sato Masaki Birthday Event
*[2018.09.26] Morning Musume '18 Sato Masaki Birthday Event
*[2019.09.26] Morning Musume '19 Sato Masaki Birthday Event
*[2020.12.26] Morning Musume '20 Sato Masaki Birthday Event
*[2023.08.27] Sato Masaki Birthday Event 2023 Emerald planet
*[2024.04.xx] Sato Masaki FC Event 2023 ～Emerald planet Xmas～
*[2024.08.xx] Sato Masaki Birthday Event 2024 ～Emerald Eyes～
===Solo Blu-rays===
*[2022.05.xx] Sato Masaki on Morning Musume '21 Concert Teenage Solution ~Sato Masaki Sotsugyou Special~
==Publications==
===Solo Photobooks===
*[2018.10.06] Sankaku no Glass
*[2022.02.28] prism
===Digital Photobooks===
*[2013.01.29] Alo-Hello! Morning Musume 2012 (アロハロ！モーニング娘。2012) (Sato Masaki version)
*[2013.04.02] Alo-Hello! Morning Musume Tenki Gumi (アロハロ！モーニング娘。天気組) (Sato Masaki version)
==Works==
===TV Programs===
*[2011–2012] Hello Pro! TIME (ハロプロ！ＴＩＭＥ)
*[2012–2013] Hello! SATOYAMA Life (ハロー！ＳＡＴＯＹＡＭＡライフ)
*[2014–2019] The Girls Live
*[2020] Hello! Project presents... "Solo Fes!"
===TV Dramas===
*[2012] Suugaku♥Joshi Gakuen (数学♥女子学園)
===Anime===
*[2019–] Aware! Meisaku-kun (あはれ！名作くん)
===Theater===
*[2012] Stacies Shoujo Saisatsu Kageki
*[2014] LILIUM -Lilium Shoujo Junketsu Kageki-
*[2015] TRIANGLE
*[2016] Zoku 11nin Iru! Higashi no Chihei, Nishi no Towa
*[2017] Pharaoh no Haka
*[2018] Pharaoh no Haka ~Hebi Ou Sneferu~
===Internet===
*[2011] Michishige Sayumi no "Mobekimasutte Nani??"
*[2012] Guest, Maachan (ゲスト、まぁちゃん。)
*[2013–2021] Hello! Project Station
*[2014–2016] MUSIC+
*[2015–2016] GREEN ROOM
*[2016–] Upcoming
*[2016–2017] Girls Night Out
*[2017–2021] tiny tiny
*[2018–] OMAKE CHANNEL
*[2018] Hello Pro no Monohon!
*[2019–2020] Hello Pro no Oshigoto Challenge
*[2019] Hello Pro Kouhaku Taiko THE☆BATTLE 2019
*[2019] Hello Pro ONE×ONE
*[2022-] M-line Music
===Radio===
*[2012–2013] Morning Musume 9ki・10ki Member WEB Talk Maji DE Pyoko! (モーニング娘。9・10期メンバー WEBトーク 本気DE飛跳！) (fanclub exclusive)
*[2012–2021] Morning Musume no Morning Jogakuin ~Houkago Meeting~ (モーニング娘。のモーニング女学院～放課後ミーティング～)
===Music Videos===
*[2019] ANGERME - Koi wa Accha Accha ("Koushiki Accha Accha Ouentai" PV)
==Rankings==
*She was voted 6th favorite member in the 2012 "Hello! Project Music Awards" event.http://www.esrp2.jp/hpma/2012/result/member.html
*She was voted 5th favorite member in the 2013 "Hello! Project Music Awards" event.https://fbcdn-sphotos-c-a.akamaihd.net/hphotos-ak-prn2/1526340_707443922623809_1971311801_n.jpg
*In Radio bangumi magazine's 7th edition "favorite DJ ranking", readers voted for her as the #1 ranked DJ on AM radio in 2014.http://i.imgur.com/2w4tEbNl.jpg
*She was voted most charming member of Morning Musume by Korean fans at a quiz event in Korea in 2016.https://youtu.be/_4nww-s_q_c?t=1794
==Trivia==
==References==
==External Links==
*J.P ROOM Profile
*Social Media Pages: Twitter, TikTok
*Music Streaming Links
*Morning Musume Profile (archived)
*Morning Musume Tenki Gumi Official Blog (inactive)
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Category:Sato Masaki
Category:Morning Musume
Category:10th Generation Morning Musume
Category:1999 Births
Category:May Births
Category:Blood Type A
Category:2011 Additions
Category:Hello! Project
Category:Harvest
Category:Teal Member Color
Category:Members from Hokkaido
Category:Members born in Heisei Period
Category:Members born after Hello! Project's formation
Category:Members featured in Hello! Pro Time
Category:Members featured in Hello! SATOYAMA Life
Category:Members who are left handed
Category:Up-Front Works (label)
Category:Hello! Project Mobekimasu
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Category:Taurus
Category:Sato no Akari
Category:Morning Musume 20th
Category:Members currently attending university
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Category:Hello! Project Graduates
Category:Hello! Project OG
Category:M-line club