Riho Sayashi
Person · female · Japan · Higashihiroshima · born 1998 · recording since 2016
Japanese singer, dancer and actress (1998-)
official homepageofficial homepagesocialdatabasedatabasevideo
Also known as 鞘師里保 · Riho Sayashi · 鞘師 里保 · 鞘師里保
Timeline
1990s
2010s
· Debut release
Debut release: モーニング娘。’15 鞘師里保ソロスペシャルライブ
First documented Album in the MusicBrainz discography.
source: musicbrainz
2020s
Biography
Biography
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. In 2019, she was a touring member of Babymetal, including in their performance at Glastonbury Festival 2019.
Career
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. 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". 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.
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.
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.
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.
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. 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.
2020–present: Solo career
On May 1, 2020, Sayashi started an Instagram account, where she posts in Japanese and English.
Since July 10, Sayashi has her own column called RihoColumn (りほこら(む)) in the online magazine NewsCrunch, published by Wani Books.
On September 3, Sayashi announced she had signed to Japan Music Entertainment as a solo artist.
On July 14, 2021, Sayashi's staff announced the sale of her first EP, named Daybreak
DAYBREAKSpotifyYouTube Music (search)Tracklist · 5 tracks1Find Me Out4:532BUTAI3:213Simply Me3:044Puzzle4:315LAZER4:01, which was released at August 4, under her newly established label "Savo-r", and also held a one-man live tour titled "Riho Sayashi 1st Live 2021 Daybreak" at Toyosu Pit, Tokyo Team Smile. This album was her first newly made material after five and half years, after her graduation from Morning Musume in 2015. Sayashi wrote the lyrics for all the songs on the album, and worked together with several composers.
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.
Personal life
Sayashi's paternal uncle, Tomoya Sayashi, formerly played for the Hiroshima Toyo Carp baseball team.
Hello! Project groups and units
Morning Musume (2011–2015)
Hello! Project Mobekimasu (2011)
Peaberry (2012–2015)
Photobooks
Sayashi Riho (さやしりほ) (August 27, 2011, Wani Books, ISBN 978-4-8470-4391-8)
Un Deux Trois (アンドゥトゥア) (August 27, 2012, Wani Books, ISBN 978-4-8470-4486-1)
Taiyou (太陽) (November 25, 2013, Wani Books, ISBN 978-4-8470-4595-0)
Juurokusai (十六歳) (March 25, 2015, Wani Books, ISBN 978-4-8470-4742-8)
Film
Share House (2011)
11 Rebels (2024), Natsu
Drama
Sūgaku Joshi Gakuen (数学♥女子学園) (2012)
Don't Stop My Beautification, Masumi Haraguchi (2023)
Mentsuyu Hitori Meshi (めんつゆひとり飯), Tsuyu Mendō (2023)
Oshi o Meshiagare (推しを召し上がれ), Yuzu Hodaishi (2023)
Mentsuyu Hitori Meshi 2 (めんつゆひとり飯2), Tsuyu Mendō (2024)
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, English Communication I host (2022)
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)
Discography & profile
Normalised profile
Percentiles are computed over every artist in the database, so a tier-3 artist can still sit in the 95th percentile on a single axis.
| Metric | Value | Percentile |
|---|---|---|
| Wikipedia language versions | 18 | 78.1th |
| Spotify monthly listeners | — | no data |
| Release groups in DB | 10 | 82.3th |
| Studio albums | 1 | 76th |
| Awards recorded | 0 | 0th |
| Timeline events | 3 | 73.3th |
| Recording span (years) | 10 | 26.4th |
| Genres | 3 | 80.4th |
Percentiles are computed at render time; missing values mean the artist has no data on that axis.
Discography (10 release groups · 1 studio albums)
Albums · 1
2024 · studio album
Search SpotifySearch YouTube Music
Tracklist · 11 tracks · 41:35
1BUTAI3:212ラッセ!4:013DARKSIDE3:574DOOM PA4:025Stupid3:526paradise3:177Hi(gh) Life3:418Melt3:479alchemy3:3210Find Me Out4:5011WE THE ONES3:15
Album · 1
| Cover | Year | Title | Notes | First release |
|---|---|---|---|---|
| 2016 | モーニング娘。’15 鞘師里保ソロスペシャルライブSearch SpotifySearch YouTube MusicTracklist · 13 tracks1キマグレ絶望アリガトウ 2DESTINY LOVE 3抱いてよ! PLEASE GO ON 4MC 5愛して 愛して 後一分 6シルバーの腕時計 7大好きだから絶対に許さない 8MC 9Do it! Now 10まじですかスカ! 11冷たい風と片思い 12MC 13自信持って 夢を持って 飛び立つから | Live | 20 April 2016 |
EP · 5
| Cover | Year | Title | Notes | First release |
|---|---|---|---|---|
| 2021 | DAYBREAKSearch SpotifySearch YouTube MusicTracklist · 5 tracks · 19:501Find Me Out4:53 2BUTAI3:21 3Simply Me3:04 4Puzzle4:31 5LAZER4:01 | 4 August 2021 | ||
| 2022 | ReflectionSearch SpotifySearch YouTube MusicTracklist · 5 tracks · 18:531Go‐by3:01 2Take a Breath4:08 3Melt3:47 4Baby Me3:42 5Winding Road4:15 | 12 January 2022 | ||
| 2022 | UNISONSearch SpotifySearch YouTube MusicTracklist · 5 tracks · 18:131MERGE3:30 2WE THE ONES3:12 3Stupid3:52 4Melancholic Blvd.3:37 5DOOM PA4:02 | 16 November 2022 | ||
| 2025 | Too much!Search SpotifySearch YouTube MusicTracklist · 6 tracks · 19:101Super Red3:12 2アイセヨイマヲ2:54 3転生chu☆2:52 4ゆらり3:15 527yo3:56 6beyond3:01 | 23 July 2025 | ||
| 2026 | OWNSearch SpotifySearch YouTube MusicTracklist · 6 tracks · 21:191I AM3:23 2どっち?3:07 32am3:27 4幸福失格3:31 5prism3:10 6声4:41 | 2 September 2026 |
Single · 3
| Cover | Year | Title | Notes | First release |
|---|---|---|---|---|
| 2024 | Hi(gh) LifeSearch SpotifySearch YouTube MusicTracklist · 3 tracks · 9:311Hi(gh) Life3:43 2alchemy –Special ver.–1:37 3Melt & Simply Me Mashup4:11 | 31 January 2024 | ||
| 2024 | alchemySearch SpotifySearch YouTube MusicTracklist · 1 track · 3:291alchemy3:29 | 13 March 2024 | ||
| 2024 | DARKSIDESearch SpotifySearch YouTube MusicTracklist · 1 track · 3:571DARKSIDE3:57 | 10 July 2024 |
Stats & PK
Percentile within all 23,672 published artists.Put Riho Sayashi head-to-head →
| Metric | Value | Percentile |
|---|---|---|
| Wikipedia language versions | 18 | 78.1th |
| Spotify monthly listeners | — | no data |
| Release groups in DB | 10 | 82.3th |
| Studio albums | 1 | 76th |
| Awards recorded | 0 | 0th |
| Timeline events | 3 | 73.3th |
| Recording span (years) | 10 | 26.4th |
| Genres | 3 | 80.4th |
Awards & honours
Line-up
| Name | From | To | Role |
|---|---|---|---|
| シスターラビッツ(band) | — | present | |
| モーニング娘。Q期(band) | — | present | |
| シスターラビッツ(band) | 2 January 2011 | 31 December 2015 |
Where this record comes from
portrait—Wikimedia Commons · CC BY 2.0 · retrieved 11 October 2026
https://commons.wikimedia.org/wiki/File:Sayashi_Riho_from_%2211_Rebels%22_at_Red_Carpet_of_the_Tokyo_International_Film_Festival_2024_%2854578008620%29_%28cropped%29.jpgaliases/urls—musicbrainz · CC0 · retrieved 10 October 2026
https://musicbrainz.org/artist/1703eb7f-ed6b-4b86-b8d3-d355f8d22f7ediscography—musicbrainz · CC0 · retrieved 10 October 2026
https://musicbrainz.org/artist/1703eb7f-ed6b-4b86-b8d3-d355f8d22f7ecore—wikidata · CC0 · retrieved 10 October 2026
https://www.wikidata.org/wiki/Q1201313genre—wikidata · CC0 · retrieved 11 October 2026
https://www.wikidata.org/wiki/Q1201313seed-list—wikipedia · CC BY-SA 4.0 · retrieved 10 October 2026
https://en.wikipedia.org/wiki/Riho_Sayashibiography—wikipedia-en · CC BY-SA 4.0 · retrieved 10 October 2026
https://en.wikipedia.org/wiki/Riho_Sayashi
Why this artist is in the database
- List of Japanese singers
Tier rule: curated genre/region list
Image: Dick Thomas Johnson from Tokyo, Japan · CC BY 2.0 · Wikimedia Commons
Wikidata: Q1201313 · MusicBrainz: 1703eb7f-ed6b-4b86-b8d3-d355f8d22f7e
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