Riho Sayashi

Riho Sayashi (Japanese: 鞘師里保, Hepburn: Sayashi Riho, born May 28, 1998) is a Japanese actress, singer and dancer. She is a former member of the Japanese pop group Morning Musume and the duo Peaberry. In 2019, she became a touring member of Babymetal, including in their performance at Glastonbury Festival 2019.^[1]

Riho Sayashi
鞘師里保
Born	(1998-05-28) May 28, 1998 (age 26) Hiroshima Prefecture, Japan
Occupations	Singer actress dancer
Agent	Up-Front Promotion (2011 (2011)–2018 (2018)) Japan Music Entertainment (2020 (2020)–present)
Musical career
Genres	J-pop
Years active	2011–present
Formerly of	Morning Musume Babymetal (touring member)
Website	Official website

Biography

Prior to joining Morning Musume, Sayashi was a student of Actor's School Hiroshima (ASH), which graduates include Suzuka Nakamoto, Himeka Nakamoto, members of Perfume, and Ruru Dambara.

2010: Early career

Sayashi was one of the winners of the Jc&Jk actress audition and got a chance to perform in Morning Musume's Fashionable stage play.

2011–2015: Morning Musume

Sayashi passed Morning Musume's ninth generation auditions, along with Erina Ikuta, Kanon Suzuki, and former Hello! Pro Egg member Mizuki Fukumura.^[2][3] The ninth generation members debuted in Morning Musume January 2, at the Hello! Project 2011 Winter ~Kangei Shinsen Matsuri~ concert. Sayashi's first single with Morning Musume is titled "Maji Desu ka Ska!".

On March 27, 2011, it was announced Sayashi would be replacing Erina Mano for the radio show Mano Deli, renaming it Riho Deli. Sayashi was the only ninth generation member to receive solo lines in "Only You".^[4] On July 29, 2011, Sayashi was out of events for a few weeks to rest due to ischium nerve pain on her right side.

In July 2012, it was announced that Sayashi will be part of the new Hello! Project duo Peaberry, along with S/mileage's Ayaka Wada, and that they would perform their original song "Cabbage Hakusho" at the Hello! Project summer concerts. They were formed alongside the group DIY♡ to be part of Hello! Satoyama Life.^{[citation needed]}

On October 29, 2015, it was announced that Sayashi will graduate from Morning Musume '15 on December 31, 2015, during the annual Hello! Project Countdown Live. On December 29, 2015, Morning Musume '15 released their 60th single; this was the last Morning Musume single to feature Sayashi.

On December 31, 2015, Sayashi graduated from Morning Musume and became an artist under Hello! Project.^[5]

2016–2018: Studying abroad

After leaving Morning Musume, Sayashi went to New York and other places abroad for about two years to study dancing and English.^[5]

On December 7, 2018, it was that announced her contract with Up-Front Promotion had ended and she subsequently graduated from Hello! Project at the end of November 2018.

2019: Morning Musume reunion, touring with Babymetal

After a 3 year and 3 month hiatus, Sayashi re-appeared to the public at Hello! Project 20th Anniversary!! Hello! Project Hina Fes 2019 on March 30. She made a guest appearance at the event and performed with several current and former Morning Musume members.^[6]

On June 28, Sayashi appeared as a support dancer, or "Avenger", for the kawaii metal band Babymetal on the "Babymetal Awakens -The Sun Also Rises-" concert in Yokohama Arena.^[7] Two days later on June 30, she also appeared with them at the Glastonbury Festival in the same capacity, as they became the first Japanese band to perform on a main stage at the festival.^[8]

2020–present: Solo career

On May 1, 2020, Sayashi started an Instagram account, where she posts in Japanese and English.^[9]

Since July 10, Sayashi has her own column called RihoColumn (りほこら(む)) in the online magazine NewsCrunch, published by Wani Books.^[10]

On September 3, Sayashi announced she had signed to Japan Music Entertainment [ja] as a solo artist.^[11]

On July 14, 2021, Sayashi's staff announced the sale of her first EP, named Daybreak,^[12][13] which was released at August 4,^[14][15] under her newly established label "Savo-r",^[16] and also held a one-man live tour titled "Riho Sayashi 1st Live 2021 Daybreak" at Toyosu Pit, Tokyo Team Smile.^[17] This album was her first newly made material after five and half years, after her graduation from Morning Musume in 2015. ^[17] Sayashi wrote the lyrics for all the songs on the album, and worked together with several composers.^[16]

Sayashi choreographed the AKB48 song "Donchō o Agetekure!" (緞帳を上げてくれ！), first performed at the AKB48 Theater in Akihabara on December 8, 2024.^[18]

Personal life

Sayashi's paternal uncle, Tomoya Sayashi, formerly played for the Hiroshima Toyo Carp baseball team.^[19]

Hello! Project groups and units

• Morning Musume (2011–2015)
• Hello! Project Mobekimasu (2011)
• Peaberry (2012–2015)

Discography

Singles

Morning Musume

• "Maji Desu ka Ska!" (April 6, 2011 (2011-04-06))
• "Only You" (June 15, 2011 (2011-06-15))
• "Kono Chikyū no Heiwa o Honki de Negatterun Da yo! / Kare to Issho ni Omise ga Shitai!" (September 21, 2011 (2011-09-21))
• "Pyoco Pyoco Ultra" (January 25, 2012 (2012-01-25))
• "Ren'ai Hunter" (April 11, 2012 (2012-04-11))
• "One Two Three / The Matenrō Show" (July 4, 2012 (2012-07-04))
• "Wakuteka Take a Chance" (October 10, 2012 (2012-10-10))
• "Help Me!!" (January 23, 2013 (2013-01-23))
• "Brainstorming / Kimi Sae Ireba Nani mo Iranai" (April 17, 2013 (2013-04-17))
• "Wagamama Ki no Mama Ai no Joke / Ai no Gundan" (August 28, 2013 (2013-08-28))
• "Egao no Kimi wa Taiyō sa / Kimi no Kawari wa Iyashinai / What is Love?" (January 29, 2014 (2014-01-29))
• "Toki o Koe Sora o Koe / Password is 0" (April 16, 2014 (2014-04-16))
• "Tiki Bun / Shabadaba Dū / Mikaeri Bijin" (October 15, 2014 (2014-10-15))
• "Seishun Kozo ga Naiteiru / Yūgure wa Ameagari / Ima Koko Kara" (April 15, 2015 (2015-04-15))
• "Oh My Wish! / Sukatto My Heart / Ima Sugu Tobikomu Yūki" (August 19, 2015 (2015-08-19))
• "Tsumetai Kaze to Kataomoi / Endless Sky / One and Only" (December 29, 2015 (2015-12-29))

Reborn Eleven

• "Reborn ~Inochi no Audition~" October 8, 2011 (2011-10-08)

Hello! Project Mobekimasu

• "Busu ni Naranai Tetsugaku" November 16, 2011 (2011-11-16)

Peaberry

• "Cabbage Hakusho ~Haru Hen~" February 27, 2013 (2013-02-27)

EPs

#	Title	Release date	Top position	Publisher/Notes
			Oricon Weekly Chart
1	Daybreak	August 4, 2021	21[20]	Savo-r
2	Reflection	January 12, 2022	18[21]	Savo-r
3	Unison	November 16, 2022	19[22]	Savo-r

DVDs

#	Title	Release date	Top position	Publisher/Notes
			Oricon Weekly DVD Chart[23]
1	Sayashi Riho ~Greeting~ (さやし りほ～Ｇreeｔiｎg～)	August 31, 2011	51	Zetima
2	Riho[24]	January 20, 2012	—	e-Hello! series
3	Hyahhoi (ひゃっっほ～い♪( 'θ')ノ, Hyahhhōi)	September 26, 2012	68	Zetima
4	Snowdrop (snowdrop)	March 28, 2013	—	e-Hello! series
5	Riho's Fashion Archive	March 12, 2014	32	Zetima

Blu-rays

#	Title	Release date	Top position	Publisher/Notes
			Oricon Weekly Blu-ray Chart[25]
1	sixteen	April 8, 2015	27	Zetima

Bibliography

Photobooks

1. Sayashi Riho (さやしりほ) (August 27, 2011, Wani Books, ISBN 978-4-8470-4391-8)
2. Un Deux Trois (アンドゥトゥア) (August 27, 2012, Wani Books, ISBN 978-4-8470-4486-1)^[26]
3. Taiyou (太陽) (November 25, 2013, Wani Books, ISBN 978-4-8470-4595-0)
4. Juurokusai (十六歳) (March 25, 2015, Wani Books, ISBN 978-4-8470-4742-8)

Appearances

Film

• Share House (2011)^[27]
• 11 Rebels (2024), Natsu^[28]

Drama

• Sūgaku Joshi Gakuen (数学♥女子学園) (2012)^[29]
• Don't Stop My Beautification, Masumi Haraguchi (2023)^[30]
• Mentsuyu Hitorimeshi (めんつゆひとり飯), Tsuyu Mendō (2023)^[31][32]
• Oshi o Meshiagare (推しを召し上がれ), Yuzu Hodaishi (2023)^[33]
• Mentsuyu Hitorimeshi 2 (めんつゆひとり飯2), Tsuyu Mendō (2024)^[34][35]

Variety and talk shows

• Bijo Gaku (美女学) (2011)
• Hello Pro! Time (ハロプロ！Time) (April 2011 – May 2012)
• Hello! Satoyama Life (ハロー!SATOYAMAライフ) (June 2012 – 2014)
• NHK High School Course [ja], English Communication I host (2022)^[36]

Theater

• Fashionable (ファッショナブル) (2010)
• Reborn: Inochi no Audition (リボーン～命のオーディション～) (2011)
• Lilium: Girls' Purity Musical (2014)
• Death Note: The Musical, Misa Amane (2025)

Radio

• Riho Deli (2011–2015)

Internet

• UstreaMusume (2011–201(?))