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Personal Info
Known For
Acting
Birthday
May 28, 1998
Place of Birth
Higashihiroshima, Hiroshima, Japan
Also Known As
- Sayashi Riho
- Sayashi Riho (鞘師里保)
- Rihoriho
- りほりほ
- Yasshii
- やっしー
- Sayashii
- さやっしー
Riho Sayashi
0.7 Popularity
Biography
鞘師里保 (Sayashi Riho) is a Japanese dancer and actress. She is a former idol under Hello! Project as a 9th generation member of Morning Musume. and the SATOYAMA movement duo Peaberry. She was the most popular member out of Morning Musume.'s 2011 additions. Starting with "Only you", her second single as a member, she was pushed into becoming one of the group's central figures as a main vocalist and dancer, which led to her being named the group's "absolute ace" (絶対的エース; zettaiteki ace) by media. Sayashi graduated from Morning Musume. at the end of 2015 and took a break from Hello! Project activities to study language and dance abroad. On December 7, 2018, it was announced that her contract with UP-FRONT PROMOTION expired at the end of November 2018 and she had subsequently graduated from Hello! Project. Despite her departure, she made her return to entertainment activities on March 30, 2019 as a guest in Hello! Project's annual Hina Fes concert. In late June 2019, she began performing as a support dancer for the kawaii metal band BABYMETAL.
Known For
0.0
Oboe no Nai Satsujin
2025
7.3
Natsu
11 Rebels
2024
0.0
Hodaishi Yuzu
Oshi wo Meshiagare: Koho Girl no Maroyakana Hibi
2024
8.0
Mendo Tsuyu
Mentsuyu Hitori Meshi
2023
0.0
Haraguchi Masumi
Don't Stop My Beautification?!
2023
0.0
Shizue Kiuchi
Watashitte Sabasaba Shiteru kara
2023
5.5
Riko Moriyasu
My Cuteness Is About to Expire!?
2022
0.0
herself
NHK High School Course English Communication I
2022
0.0
Momo Ume
2021
0.0
音楽朗読劇『黒世界 〜リリーの永遠記憶探訪記、或いは、終わりなき繭期にまつわる寥々たる考察について〜』日和の章
2021
Credits
Oboe no Nai Satsujin
2025
0.0
11 Rebels
as Natsu
2024
7.3
Oshi wo Meshiagare: Koho Girl no Maroyakana Hibi
as Hodaishi Yuzu
2024
0.0
Mentsuyu Hitori Meshi
as Mendo Tsuyu
2023
8.0
Don't Stop My Beautification?!
as Haraguchi Masumi
2023
0.0
Watashitte Sabasaba Shiteru kara
as Shizue Kiuchi
2023
0.0
My Cuteness Is About to Expire!?
as Riko Moriyasu
2022
5.5
NHK High School Course English Communication I
as herself
2022
0.0
Momo Ume
2021
0.0
音楽朗読劇『黒世界 〜リリーの永遠記憶探訪記、或いは、終わりなき繭期にまつわる寥々たる考察について〜』日和の章
2021
0.0
Eizouza・Morning Musume. 9 ~Single M Clips~
2021
0.0
I Had a Dream of That Girl
2020
6.5
BABYMETAL - LEGEND - METAL GALAXY (Day 1&2)
as Riho-Metal
2020
6.3
BABYMETAL LEGEND - METAL GALAXY - METAL GALAXY WORLD TOUR IN JAPAN EXTRA SHOW - DAY 2
as Rhiometal
2020
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BABYMETAL LEGEND - METAL GALAXY - METAL GALAXY WORLD TOUR IN JAPAN EXTRA SHOW - DAY 1
as Rhiometal
2020
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Petit Best 20 2020
2020
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BABYMETAL - Metal Galaxy World Tour in Japan
as Riho-Metal
2019
9.0
BABYMETAL Live at The Forum
as Avenger
2019
0.0
Hello! Project 2019 Hina Fes ~Hello! Project 20th Anniversary!! Premium~
2019
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Best! Morning Musume. 20th Anniversary
2019
0.0
Morning Musume.'16 DVD Magazine Vol.84
2016
0.0
Morning Musume.'16 DVD Magazine Vol.83
2016
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Morning Musume.'16 DVD Magazine Vol.82
2016
0.0
Morning Musume.'16 DVD Magazine Vol.81
2016
0.0
Hello! Project 2015 COUNTDOWN PARTY 2015-2016 ~GOODBYE & HELLO!~
2015
5.0
Morning Musume.'15 DVD Magazine Vol.79
2015
0.0
Morning Musume.'15 Sayashi Riho Solo Special Live
2015
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Morning Musume.'15 FC Event ~13nin Gakari no Christmas~
2015
0.0
Petit Best 16
2015
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Morning Musume.'15 2015 Autumn ~PRISM~
2015
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Sayashi Riho on Morning Musume.'15 2015 Autumn ~PRISM~
2015
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Morning Musume.'15 DVD Magazine Vol.78
2015
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Morning Musume.'15 Sayashi Riho Graduation Memorial
2015
0.0
Morning Musume.'15 DVD Magazine Vol.77
2015
0.0
Morning Musume.'15 DVD Magazine Vol.76
2015
0.0
Morning Musume.'15 DVD Magazine Vol.75
2015
0.0
BS-TBS Kaikyoku 15 Shuunen Tokubetsu Kikaku COOL JAPAN ~DOU~ Best Fifteen ~Morning Musume.'15 Hen~
2015
0.0
Hello! Project DVD Magazine Vol.47
2015
0.0
Morning Musume.'15 DVD Magazine Vol.74
2015
0.0
Hello! Project 2015 Summer ~DISCOVERY~
2015
5.0
Hello! Project 2015 Summer ~CHALLENGER~
2015
0.0
Morning Musume.'15 DVD Magazine Vol.73
2015
0.0
TRIANGLE ~The Musical~
2015
0.0
Hello! Project DVD Magazine Vol.46
2015
0.0
Morning Musume.'15 DVD Magazine Vol.72
2015
0.0
Morning Musume.'15 Sayashi Riho Birthday Event
2015
0.0
Morning Musume.'15 2015 Spring ~GRADATION~
2015
0.0
Morning Musume.'15 DVD Magazine Vol.71
2015
0.0
Michishige Camera Tokubetsu hen
2015
0.0
Hello! Project DVD Magazine Vol.45
2015
9.0
Sayashi Riho ~sixteen~
2015
0.0
Hello! Project 2015 Hina Fes ~Mankai! The Girls' Festival~ Morning Musume.'15 Premium
2015
0.0
Hello! Project 2015 Hina Fes ~Mankai! The Girls' Festival~ ANGERME & Juice=Juice Premium
2015
0.0
Hello! Project 2015 Hina Fes ~Mankai! The Girls' Festival~ ℃-ute Premium
2015
0.0
Morning Musume.'15 DVD Magazine Vol.69
2015
0.0
Morning Musume.'15 DVD Magazine Vol.68
2015
0.0
Hello! Project DVD Magazine Vol.44
2015
0.0
Morning Musume.'15 DVD Magazine Vol.67
2015
0.0
Hello! Project 2015 Winter ~HAPPY EMOTION!~
2015
10.0
Hello! Project 2015 Winter ~DANCE MODE!~
2015
0.0
Alo-Hello! 7 ~Morning Musume.~
2015
0.0
Hello! Project 2014 COUNTDOWN PARTY 2014-2015 ~GOODBYE & HELLO!~
2014
6.5
Hello! Project FC Event 2014 ~Hello! Xmas Days2♥~ Morning Musume.'14
2014
0.0
Alo-Hello! Morning Musume.'14 Shashinshuu
2014
0.0
Eizouza・Morning Musume. 8 ~Single M Clips~
2014
0.0
Petit Best 15
2014
0.0
Morning Musume.'14 2014 Autumn GIVE ME MORE LOVE ~Michishige Sayumi Sotsugyou Kinen Special~
2014
0.0
Morning Musume.'14 Special Event in Shinagawa
2014
0.0
Morning Musume.'14 DVD Magazine Vol.66
2014
0.0
Morning Musume.'14 DVD Magazine Vol.65
2014
0.0
Morning Musume.'14 Live Concert in New York
2014
0.0
Hello! Project 2014 Summer ~YAPPARI!~
2014
0.0
Hawaii FC Tour 2014 ~Morning Musume.'14~
2014
0.0
Morning Musume.'14 DVD Magazine Vol.64
2014
0.0
Hello! Project DVD Magazine Vol.43
2014
5.0
S/mileage 2014 Summer LIVE FULL CHARGE ~715 Nippon Budokan~
2014
0.0
Morning Musume.'14 DVD Magazine Vol.63
2014
4.0
Hello! Project 2014 Summer ~KOREZO!~
2014
5.0
Morning Musume.'14 DVD Magazine Vol.62
2014
0.0
Morning Musume.'14 & S/mileage DVD Magazine Vol.1
2014
0.0
LILIUM -Lilium Shoujo Junketsu Kageki- ~The Musical~
2014
0.0
Morning Musume.'14 Sayashi Riho Birthday Event
2014
0.0
Morning Musume.'14 2014 Spring Solo Sayashi Riho ~EVOLUTION~
2014
0.0
Hello! Project DVD Magazine Vol.42
2014
4.5
Morning Musume.'14 DVD Magazine Vol.61
2014
0.0
Morning Musume.'14 2014 Spring ~EVOLUTION~
2014
0.0
Hello! Project 2014 Hina Fes ~Full Course~ Main Dish wa Morning Musume.'14 Desu.
2014
5.4
Hello! Project DVD Magazine Vol.41
2014
0.0
Morning Musume.'14 DVD Magazine Vol.60
2014
0.0
Morning Musume.'14 Oda Sakura Birthday Event ~Sakura no Shirabe 3~
2014
0.0
Riho's Fashion Archive
2014
0.0
Morning Musume.'14 FC Event ~Premoni~
2014
0.0
Morning Musume.'14 DVD Magazine Vol.59
2014
0.0
Morning Musume.'14 DVD Magazine Vol.58
2014
0.0
Hello! Project 2014 Winter ~GOiSU MODE~
2014
0.0
Hello! Project 2014 Winter ~DE-HA MiX~
2014
0.0
Hello! Project DVD Magazine Vol.40
2014
0.0
Hello! Project 2013 COUNTDOWN PARTY 2013-2014 ~GOODBYE & HELLO!~
2013
5.0
Hello! Project FC Event 2013 ~Hello! Xmas Days♥~ Morning Musume.
2013
0.0
Hello! Project DVD Magazine Vol.39
2013
8.5
Morning Musume. DVD Magazine Vol.57
2013
0.0
Petit Best 14
2013
0.0
Morning Musume. 2013 Autumn ~CHANCE!~
2013
0.0
Morning Musume. 2013 Autumn Solo Sayashi Riho ~CHANCE!~
2013
0.0
Sayashi Riho ~Taiyou~
2013
0.0
Morning Musume. DVD Magazine Vol.56
2013
0.0
Hello! Project DVD Magazine Vol.38
2013
0.0
Morning Musume. DVD Magazine Vol.55
2013
0.0
Morning Musume. 15th Anniversary Photobook ZERO
2013
0.0
Hello! Project 2013 Summer COOL HELLO! ~Mazekooze!~
2013
6.0
Hello! Project DVD Magazine Vol.37
2013
0.0
Morning Musume. DVD Magazine Vol.54
2013
0.0
Morning Musume. 2013 Spring Live Photobook Michishige☆Eleven SOUL ~Tanaka Reina Sotsugyou Kinen Special~
2013
0.0
Hello! Project 2013 Summer COOL HELLO! ~Sorezoore!~
2013
8.3
SATOYAMA movement MUSIC VIDEO CLIPS
2013
0.0
Morning Musume. DVD Magazine Vol.53
2013
0.0
Hello! Project DVD Magazine Vol.36
2013
0.0
Morning Musume. Tanjou 16 Shuunen Kinen Event "Watashitachi ga, Ima no Morning Musume. desu. 17 Nenme mo, Saa, Ikou ka."
2013
0.0
Morning Musume. DVD Magazine Vol.52
2013
0.0
Sayashi Riho Birthday Event ~Sayashi no Koto, Itsu Iwau no? Ima Desho!!~ / Sato Masaki Birthday Event ~14 sai nau nauuuu!!~
2013
0.0
Morning Musume. 2013 Spring Michishige☆Eleven SOUL ~Tanaka Reina Sotsugyou Kinen Special~
2013
0.0
Morning Musume. 2013 Spring Solo Sayashi Riho Michishige☆Eleven SOUL ~Tanaka Reina Sotsugyou Kinen Special~
2013
0.0
Hello! Project 2013 Spring Yaon Premium LIVE ~Soto Fes~
2013
1.0
Morning Musume. DVD Magazine Vol.51
2013
0.0
Hello! Channel Vol.12 ~Tanaka Reina Sotsugyou Special!~
2013
0.0
Sayashi Riho ~snowdrop~
2013
0.0
Hello! Project DVD Magazine Vol.35
2013
6.5
Morning Musume. DVD Magazine Vol.50
2013
0.0
Hello! Project 2013 Spring Haru no Dai Kansha Hinamatsuri Festival 2013 ~Thank You For Your Love!~
2013
10.0
Hello! Project 2013 Spring Haru no Dai Kansha Hinamatsuri Festival 2013 ～Berryz Koubou 10 Nenme Totsunyuu Special!～
2013
9.5
Morning Musume. DVD Magazine Vol.49
2013
0.0
Morning Musume. FC Event 2013 ~Morning Labo! Ⅳ~
2013
0.0
Hello! Project 2013 Winter Tanjou 15 Shuunen Kinen Live 2013 Fuyu ~BRAVO!~
2013
6.5
Alo-Hello! Morning Musume. 9・10ki
2013
0.0
Morning Musume. DVD Magazine Vol.48
2013
0.0
Hello! Project DVD Magazine Vol.34
2013
0.0
Hello! Project 2013 Winter Tanjou 15 Shuunen Kinen Live 2013 Fuyu ~VIVA!~
2013
0.0
Hello! Channel Vol.11 ~2013nen Shinshun Tokudaigou Mano Erina Sotsugyou Special!~
2012
0.0
Alo-Hello! 6 ~Morning Musume.~
2012
0.0
Morning Musume. 2012 Autumn Tanjou 15 Shuunen Kinen ~Colorful Character~
2012
0.0
Morning Musume. DVD Magazine Vol.47
2012
0.0
Morning Musume. 2012 Autumn Solo Sayashi Riho Tanjou 15 Shuunen Kinen ~Colorful Character~
2012
0.0
Hello! Project DVD Magazine Vol.33
2012
0.0
Eizouza・Morning Musume. 7 ~Single M Clips~
2012
0.0
Petit Best 13
2012
0.0
Alo-Hello! Morning Musume. Shashinshuu 2012
2012
0.0
Hello! Project DVD Magazine Vol.32
2012
0.0
Morning Musume. DVD Magazine Vol.46
2012
0.0
Kudo Haruka Birthday Event ~Chuugakusei NIGHT!!~
2012
0.0
Hello! Channel Vol.10 ~Tabi wo Shichaimashita! Special~
2012
0.0
Hello! Project DVD Magazine Vol.31
2012
0.0
Sayashi Riho ~HyaaHo~i♪( ´θ｀)ノ~
2012
0.0
Morning Musume. DVD Magazine Vol.45
2012
0.0
Morning Musume. 9・10ki 1st Official Photobook
2012
0.0
Hawaii FC Tour 2012 ~Morning Musume.~
2012
0.0
Sayashi Riho ~Un Deux Trois~
2012
0.0
BS-TBS Summer Party 2012 Onna Nihonbuyo (Japanese Idol Style)
2012
0.0
Hello! Project 2012 Summer Tanjou 15 Shuunen Kinen Live 2012 Natsu ~Wkwk (Wakuwaku) Natsu no FAN Matsuri!~
2012
0.0
Hello! Project 2012 Summer Tanjou 15 Shuunen Kinen Live 2012 Natsu ~Ktkr (Kitakore) Natsu no Fan Matsuri!~
2012
0.0
Hello! Channel Vol.9
2012
0.0
Morning Musume. DVD Magazine Vol.44
2012
0.0
Hello! Project DVD Magazine Vol.30
2012
7.0
Mosuma. FC Event ~Gachi☆Kira~
2012
0.0
Stacies Shoujo Saisatsu Kageki ~The Musical~
2012
0.0
Morning Musume. 9ki Member Event ~Iwai Tanjoubi! Kanpai wa, Shuwa Shuwa Pon! HyaaHo~i! ♪( ´θ｀)ノ~ / Morning Musume. 10ki Member Event ~Iwai Tanjoubi ＼(^O^)／ Konya no Shuyaku wa... Maa-chan!~
2012
0.0
Morning Musume. 2012 Spring ~Ultra Smart~ Niigaki Risa & Mitsui Aika Sotsugyou Special
2012
0.0
Morning Musume. 2012 Spring Solo Sayashi Riho ~Ultra Smart~ Niigaki Risa & Mitsui Aika Sotsugyou Special
2012
0.0
Morning Musume. DVD Magazine Vol.43
2012
0.0
Hello! Channel Vol.8
2012
0.0
Hello! Project DVD Magazine Vol.29
2012
0.0
Morning Musume. DVD Magazine Vol.42
2012
0.0
Dream Morning Musume. Special LIVE 2012 Nippon Budokan ~Dai Isshou Shuumaku "Yuusha Tachi, Shuugou Seyo"~
2012
0.0
Sayashi Riho ~RIHO~
2012
0.0
Morning Musume. FC Event 2012 ~Morning Labo! Ⅲ~
2012
0.0
Hello! Project 2012 Winter Hello☆Pro Tengoku ~Funky-chan~
2012
3.5
Morning Musume. DVD Magazine Vol.41
2012
0.0
Suugaku ♥ Joshi Gakuen
2012
4.3
Hello! Project DVD Magazine Vol.28
2012
6.8
Hello! Project 2012 Winter Hello☆Pro Tengoku ~Rock-chan~
2012
6.0
Morning Musume. 2011 Autumn Live Photobook Ai BELIEVE ~Takahashi Ai Sotsugyou Kinen Special~
2011
0.0
Morning Musume. Zen Single MUSIC VIDEO Blu-ray File 2011
2011
0.0
Hello! Channel Vol.7
2011
0.0
Petit Best 12
2011
0.0
Hello! Project 2011 Autumn Hello! Project ☆ Festival 2011 ~MOBEKIMASU~
2011
0.0
Morning Days 9 Happy Holiday 9ki Member Fukumura Mizuki, Ikuta Erina, Sayashi Riho, Suzuki Kanon FC Tour in Yamanashi
2011
0.0
Alo-Hello! 5 ~Morning Musume.~
2011
0.0
Reborn ~Inochi no Audition~
2011
0.0
Hello! Project DVD Magazine Vol.27
2011
9.8
Morning Musume. 2011 Autumn Ai BELIEVE ~Takahashi Ai Sotsugyou Kinen Special~
2011
0.0
Morning Musume. 2011 Autumn Solo Sayashi Riho Ai BELIEVE ~Takahashi Ai Sotsugyou Kinen Special~
2011
0.0
Alo-Hello! Morning Musume. Shashinshuu 2011
2011
0.0
Hello! Channel Vol.6
2011
0.0
Hello Pro! TIME Vol.5
2011
0.0
Morning Musume. DVD Magazine Vol.40
2011
0.0
Sayashi Riho ~Greeting~
2011
0.0
Sayashi Riho ~Sayashi Riho~
2011
0.0
Hello! Project 2011 Summer ~Nippon no Mirai wa YEAH YEAH Live~
2011
10.0
Hello! Project DVD Magazine Vol.26
2011
0.0
Hawaii FC Tour 2011 ~Morning Musume.~
2011
0.0
Hello! Project DVD Magazine Vol.25
2011
0.0
Hello! Project 2011 Summer ~Nippon no Mirai wa WOW WOW Live~
2011
6.2
Morning Musume. DVD Magazine Vol.39
2011
0.0
Hello! Channel Vol.5
2011
0.0
Morning Musume. 2011 Spring Shin Souseiki Fantasy DX ~9ki Mem wo Mukaete~
2011
0.5
Morning Musume. 2011 Spring Solo Sayashi Riho Shin Souseiki Fantasy DX ~9ki Mem wo Mukaete~
2011
0.0
Morning Musume. DVD Magazine Vol.38
2011
0.0
Hello! Channel Vol.4
2011
0.0
Eizouza・Morning Musume. 6 ~Single M Clips~
2011
0.0
Morning Musume. FC Event 2011 ~Morning Labo! Ⅱ~
2011
0.0
Morning Musume. 9ki Member Ohirome Event
2011
0.0
Hello! Project 2011 Winter ~Kangei Shinsen Matsuri~ B kkuri Live
2011
1.5
Morning Musume. DVD Magazine Vol.36
2011
0.0
Hello! Project 2011 Winter ~Kangei Shinsen Matsuri~ A gana Live
2011
5.5
Fashionable ~The Musical~
2010
0.0
Bijo Gaku
2010
0.0
Shabekuri 007
2008
0.0
Nakai Masahiro no Black Variety
2004
0.0
Mecha-Mecha Iketeru!
N/A
0.0
P-sma
N/A
0.0
HEY!HEY!HEY! MUSIC CHAMP
N/A
10.0
Mujack
N/A
0.0
Hello Pro! TIME
N/A
0.0
BABYMETAL - Summer Sonic Festival 2019
as Riho Metal
N/A
0.0
MUSIC DRAGON
N/A
0.0
Ahoyanen! Sukiyanen!
N/A
0.0
Shitemiru Terebi! Kyoukun no Susume
N/A
0.0
MUSIC JAPAN
N/A
0.0
Agepoyo TV
N/A
0.0
Ustream Musume
N/A
0.0
The Big Chance - Yume no Creator Audition
N/A
0.0