Riho Sayashi
May 28, 1998 (28 years old) in Higashihiroshima, Hiroshima, Japan
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
Credits
- Future · Mecha-Mecha Iketeru! as
- 2026 · How Do We Relationship? as Saeko Sawatari
- 2026 · Death Note: The Musical as Misa Amane
- 2025 · 憶えのない殺人 as 奥田沙苗
- 2020 · Petit Best 20 2020 as
- 2019 · BABYMETAL - Metal Galaxy World Tour in Japan as Riho-Metal
- 2015 · Morning Musume.'15 Sayashi Riho Solo Special Live as
- 2015 · Hello! Project DVD Magazine Vol.47 as
- 2015 · Hello! Project 2015 Summer ~DISCOVERY~ as
- 2015 · Hello! Project 2015 Summer ~CHALLENGER~ as
- 2015 · Morning Musume.'15 Sayashi Riho Birthday Event as
- 2015 · Hello! Project DVD Magazine Vol.45 as
- 2014 · Hello! Project 2014 COUNTDOWN PARTY 2014-2015 ~GOODBYE & HELLO!~ as
- 2014 · Petit Best 15 as
- 2014 · Hello! Project 2014 Summer ~KOREZO!~ as
- 2014 · LILIUM -Lilium Shoujo Junketsu Kageki- ~The Musical~ as
- 2014 · Morning Musume.'14 Sayashi Riho Birthday Event as
- 2014 · Hello! Project DVD Magazine Vol.41 as
- 2014 · Hello! Project 2014 Winter ~DE-HA MiX~ as
- 2014 · Hello! Project 2014 Winter ~GOiSU MODE~ as
- 2014 · Hello! Project DVD Magazine Vol.40 as
- 2013 · Hello! Project DVD Magazine Vol.39 as
- 2013 · Morning Musume. DVD Magazine Vol.57 as
- 2013 · Morning Musume. DVD Magazine Vol.56 as
- 2013 · Morning Musume. DVD Magazine Vol.55 as
- 2013 · Morning Musume. 15th Anniversary Photobook ZERO as
- 2013 · Hello! Project 2013 Summer COOL HELLO! ~Mazekooze!~ as
- 2013 · Morning Musume. 2013 Spring Live Photobook Michishige☆Eleven SOUL ~Tanaka Reina Sotsugyou Kinen Special~ as
- 2013 · Morning Musume. DVD Magazine Vol.53 as
- 2013 · Hello! Project DVD Magazine Vol.36 as
- 2013 · Morning Musume. DVD Magazine Vol.52 as
- 2013 · Hello! Project 2013 Spring Yaon Premium LIVE ~Soto Fes~ as
- 2013 · Morning Musume. DVD Magazine Vol.51 as
- 2013 · Hello! Channel Vol.12 ~Tanaka Reina Sotsugyou Special!~ as
- 2013 · Hello! Project DVD Magazine Vol.35 as
- 2013 · Morning Musume. DVD Magazine Vol.49 as
- 2013 · Morning Musume. FC Event 2013 ~Morning Labo! Ⅳ~ as
- 2013 · Hello! Project 2013 Winter Tanjou 15 Shuunen Kinen Live 2013 Fuyu ~BRAVO!~ as
- 2013 · Morning Musume. DVD Magazine Vol.48 as
- 2012 · Alo-Hello! 6 ~Morning Musume.~ as
- 2012 · Hello! Project DVD Magazine Vol.33 as
- 2012 · Morning Musume. DVD Magazine Vol.47 as
- 2012 · Morning Musume. 2012 Autumn Tanjou 15 Shuunen Kinen ~Colorful Character~ as
- 2012 · Morning Musume. DVD Magazine Vol.46 as
- 2012 · Hello! Project DVD Magazine Vol.32 as
- 2012 · Kudo Haruka Birthday Event ~Chuugakusei NIGHT!!~ as
- 2012 · Morning Musume. DVD Magazine Vol.45 as
- 2012 · Morning Musume. DVD Magazine Vol.44 as
- 2012 · Hello! Channel Vol.8 as
- 2012 · Morning Musume. DVD Magazine Vol.42 as
- 2012 · Hello! Project DVD Magazine Vol.28 as
- 2011 · Hello! Channel Vol.6 as
- 2011 · Hello! Project DVD Magazine Vol.26 as
- 2011 · Hello! Project DVD Magazine Vol.25 as
- 2011 · Morning Musume. DVD Magazine Vol.39 as
- 2011 · Morning Musume. DVD Magazine Vol.38 as
- 2011 · Morning Musume. FC Event 2011 ~Morning Labo! Ⅱ~ as
- 2011 · Morning Musume. DVD Magazine Vol.36 as
- 2011 · Hello! Project 2011 Winter ~Kangei Shinsen Matsuri~ A gana Live as
- Future · BABYMETAL - Summer Sonic Festival 2019 as Riho Metal
- 2020 · BABYMETAL - LEGEND - METAL GALAXY (Day 1&2) as Riho-Metal
- 2020 · BABYMETAL LEGEND - METAL GALAXY - METAL GALAXY WORLD TOUR IN JAPAN EXTRA SHOW - DAY 2 as Rhiometal
- 2020 · BABYMETAL LEGEND - METAL GALAXY - METAL GALAXY WORLD TOUR IN JAPAN EXTRA SHOW - DAY 1 as Rhiometal
- 2019 · Hello! Project 2019 Hina Fes ~Hello! Project 20th Anniversary!! Premium~ as
- 2016 · Morning Musume.'16 DVD Magazine Vol.81 as
- 2015 · Sayashi Riho on Morning Musume.'15 2015 Autumn ~PRISM~ as
- 2015 · Morning Musume.'15 Sayashi Riho Graduation Memorial as
- 2015 · Sayashi Riho ~sixteen~ as
- 2015 · Hello! Project 2015 Hina Fes ~Mankai! The Girls' Festival~ Morning Musume.'15 Premium as
- 2015 · Hello! Project 2015 Hina Fes ~Mankai! The Girls' Festival~ ANGERME & Juice=Juice Premium as
- 2015 · Hello! Project 2015 Hina Fes ~Mankai! The Girls' Festival~ ℃-ute Premium as
- 2015 · Hello! Project 2015 Winter ~HAPPY EMOTION!~ as
- 2014 · Hello! Project FC Event 2014 ~Hello! Xmas Days2♥~ Morning Musume.'14 as
- 2014 · Morning Musume.'14 2014 Autumn GIVE ME MORE LOVE ~Michishige Sayumi Sotsugyou Kinen Special~ as
- 2014 · Hello! Project DVD Magazine Vol.43 as
- 2014 · Morning Musume.'14 & S/mileage DVD Magazine Vol.1 as
- 2014 · Morning Musume.'14 2014 Spring Solo Sayashi Riho ~EVOLUTION~ as
- 2014 · Hello! Project 2014 Hina Fes ~Full Course~ Main Dish wa Morning Musume.'14 Desu. as
- 2014 · Riho's Fashion Archive as
- 2013 · Hello! Project 2013 COUNTDOWN PARTY 2013-2014 ~GOODBYE & HELLO!~ as
- 2013 · Hello! Project FC Event 2013 ~Hello! Xmas Days♥~ Morning Musume. as
- 2013 · Petit Best 14 as
- 2013 · Morning Musume. 2013 Autumn Solo Sayashi Riho ~CHANCE!~ as
- 2013 · Sayashi Riho ~Taiyou~ as
- 2013 · Hello! Project 2013 Summer COOL HELLO! ~Sorezoore!~ as
- 2013 · SATOYAMA movement MUSIC VIDEO CLIPS as
- 2013 · Morning Musume. 2013 Spring Solo Sayashi Riho Michishige☆Eleven SOUL ~Tanaka Reina Sotsugyou Kinen Special~ as
- 2013 · Sayashi Riho ~snowdrop~ as
- 2013 · Hello! Project 2013 Spring Haru no Dai Kansha Hinamatsuri Festival 2013 ～Berryz Koubou 10 Nenme Totsunyuu Special!～ as
- 2013 · Hello! Project 2013 Spring Haru no Dai Kansha Hinamatsuri Festival 2013 ~Thank You For Your Love!~ as
- 2013 · Hello! Project DVD Magazine Vol.34 as
- 2013 · Hello! Project 2013 Winter Tanjou 15 Shuunen Kinen Live 2013 Fuyu ~VIVA!~ as
- 2012 · Morning Musume. 2012 Autumn Solo Sayashi Riho Tanjou 15 Shuunen Kinen ~Colorful Character~ as
- 2012 · Hello! Channel Vol.10 ~Tabi wo Shichaimashita! Special~ as
- 2012 · Sayashi Riho ~HyaaHo~i♪( ´θ｀)ノ~ as
- 2012 · Hawaii FC Tour 2012 ~Morning Musume.~ as
- 2012 · Sayashi Riho ~Un Deux Trois~ as
- 2012 · Hello! Project 2012 Summer Tanjou 15 Shuunen Kinen Live 2012 Natsu ~Wkwk (Wakuwaku) Natsu no FAN Matsuri!~ as
- 2012 · Hello! Project 2012 Summer Tanjou 15 Shuunen Kinen Live 2012 Natsu ~Ktkr (Kitakore) Natsu no Fan Matsuri!~ as
- 2012 · Hello! Channel Vol.9 as
- 2012 · Mosuma. FC Event ~Gachi☆Kira~ as
- 2012 · 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!~ as
- 2012 · Morning Musume. 2012 Spring Solo Sayashi Riho ~Ultra Smart~ Niigaki Risa & Mitsui Aika Sotsugyou Special as
- 2012 · Hello! Project DVD Magazine Vol.29 as
- 2012 · Dream Morning Musume. Special LIVE 2012 Nippon Budokan ~Dai Isshou Shuumaku "Yuusha Tachi, Shuugou Seyo"~ as
- 2012 · Sayashi Riho ~RIHO~ as
- 2012 · Morning Musume. FC Event 2012 ~Morning Labo! Ⅲ~ as
- 2012 · Hello! Project 2012 Winter Hello☆Pro Tengoku ~Funky-chan~ as
- 2012 · Suugaku ♥ Joshi Gakuen as
- Future · Hello Pro! TIME as
- 2024 · 11 Rebels as Natsu
- 2024 · Oshi wo Meshiagare: Koho Girl no Maroyakana Hibi as Hodaishi Yuzu
- 2023 · Mentsuyu Hitori Meshi as Mendo Tsuyu
- 2023 · Don't Stop My Beautification?! as Haraguchi Masumi
- 2023 · Watashitte Sabasaba Shiteru kara as Shizue Kiuchi
- 2022 · My Cuteness Is About to Expire!? as Riko Moriyasu
- 2022 · NHK High School Course English Communication I as herself
- 2021 · Momo Ume as
- 2021 · Eizouza・Morning Musume. 9 ~Single M Clips~ as
- 2020 · I Had a Dream of That Girl as
- 2019 · Best! Morning Musume. 20th Anniversary as
- 2016 · Morning Musume.'16 DVD Magazine Vol.84 as
- 2015 · Morning Musume.'15 DVD Magazine Vol.78 as
- 2015 · Morning Musume.'15 DVD Magazine Vol.76 as
- 2015 · Morning Musume.'15 DVD Magazine Vol.74 as
- 2015 · Morning Musume.'15 DVD Magazine Vol.73 as
- 2015 · TRIANGLE ~The Musical~ as
- 2015 · Morning Musume.'15 DVD Magazine Vol.72 as
- 2015 · Morning Musume.'15 DVD Magazine Vol.71 as
- 2015 · Morning Musume.'15 DVD Magazine Vol.68 as
- 2015 · Morning Musume.'15 DVD Magazine Vol.67 as
- 2014 · Eizouza・Morning Musume. 8 ~Single M Clips~ as
- 2014 · Morning Musume.'14 DVD Magazine Vol.65 as
- 2014 · Hello! Project 2014 Summer ~YAPPARI!~ as
- 2014 · Hawaii FC Tour 2014 ~Morning Musume.'14~ as
- 2014 · Hello! Project DVD Magazine Vol.42 as
- 2014 · Morning Musume.'14 DVD Magazine Vol.61 as
- 2014 · Morning Musume.'14 Oda Sakura Birthday Event ~Sakura no Shirabe 3~ as
- 2013 · Morning Musume. 2013 Autumn ~CHANCE!~ as
- 2013 · Morning Musume. DVD Magazine Vol.54 as
- 2013 · Morning Musume. 2013 Spring Michishige☆Eleven SOUL ~Tanaka Reina Sotsugyou Kinen Special~ as
- 2012 · Eizouza・Morning Musume. 7 ~Single M Clips~ as
- 2012 · Hello! Project DVD Magazine Vol.31 as
- 2012 · Morning Musume. 9・10ki 1st Official Photobook as
- 2012 · Morning Musume. DVD Magazine Vol.43 as
- 2012 · Morning Musume. DVD Magazine Vol.41 as
- 2011 · Morning Musume. 2011 Autumn Live Photobook Ai BELIEVE ~Takahashi Ai Sotsugyou Kinen Special~ as
- 2011 · Hello! Channel Vol.7 as
- 2011 · Alo-Hello! 5 ~Morning Musume.~ as
- 2011 · Hello! Project DVD Magazine Vol.27 as
- 2011 · Morning Musume. 2011 Autumn Ai BELIEVE ~Takahashi Ai Sotsugyou Kinen Special~ as
- 2011 · Hello Pro! TIME Vol.5 as
- 2011 · Hawaii FC Tour 2011 ~Morning Musume.~ as
- 2010 · Bijo Gaku as
- 2008 · Shabekuri 007 as
- Future · P-sma as
- Future · HEY!HEY!HEY! MUSIC CHAMP as
- 2004 · Nakai Masahiro no Black Variety as
- Future · Mujack as
- Future · MUSIC DRAGON as
- Future · MUSIC JAPAN as
- 2011 · Hello! Project 2011 Summer ~Nippon no Mirai wa YEAH YEAH Live~ as
- Future · Ahoyanen! Sukiyanen! as
- Future · The Big Chance - Yume no Creator Audition as
- 2025 · Oboe no Nai Satsujin as
- 2021 · 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 as
- 2019 · BABYMETAL Live at The Forum as Avenger
- 2016 · Morning Musume.'16 DVD Magazine Vol.83 as
- 2016 · Morning Musume.'16 DVD Magazine Vol.82 as
- 2015 · Hello! Project 2015 COUNTDOWN PARTY 2015-2016 ~GOODBYE & HELLO!~ as
- 2015 · Morning Musume.'15 DVD Magazine Vol.79 as
- 2015 · Morning Musume.'15 FC Event ~13nin Gakari no Christmas~ as
- 2015 · Petit Best 16 as
- 2015 · Morning Musume.'15 2015 Autumn ~PRISM~ as
- 2015 · Morning Musume.'15 DVD Magazine Vol.77 as
- 2015 · Morning Musume.'15 DVD Magazine Vol.75 as
- 2015 · BS-TBS Kaikyoku 15 Shuunen Tokubetsu Kikaku COOL JAPAN ~DOU~ Best Fifteen ~Morning Musume.'15 Hen~ as
- 2015 · Hello! Project DVD Magazine Vol.46 as
- 2015 · Morning Musume.'15 2015 Spring ~GRADATION~ as
- 2015 · Michishige Camera Tokubetsu hen as
- 2015 · Morning Musume.'15 DVD Magazine Vol.69 as
- 2015 · Hello! Project DVD Magazine Vol.44 as
- 2015 · Hello! Project 2015 Winter ~DANCE MODE!~ as
- 2015 · Alo-Hello! 7 ~Morning Musume.~ as
- 2014 · Alo-Hello! Morning Musume.'14 Shashinshuu as
- 2014 · Morning Musume.'14 Special Event in Shinagawa as
- 2014 · Morning Musume.'14 DVD Magazine Vol.66 as
- 2014 · Morning Musume.'14 Live Concert in New York as
- 2014 · Morning Musume.'14 DVD Magazine Vol.64 as
- 2014 · Morning Musume.'14 DVD Magazine Vol.63 as
- 2014 · S/mileage 2014 Summer LIVE FULL CHARGE ~715 Nippon Budokan~ as
- 2014 · Morning Musume.'14 DVD Magazine Vol.62 as
- 2014 · Morning Musume.'14 2014 Spring ~EVOLUTION~ as
- 2014 · Morning Musume.'14 DVD Magazine Vol.60 as
- 2014 · Morning Musume.'14 FC Event ~Premoni~ as
- 2014 · Morning Musume.'14 DVD Magazine Vol.59 as
- 2014 · Morning Musume.'14 DVD Magazine Vol.58 as
- 2013 · Hello! Project DVD Magazine Vol.38 as
- 2013 · Hello! Project DVD Magazine Vol.37 as
- 2013 · Morning Musume. Tanjou 16 Shuunen Kinen Event "Watashitachi ga, Ima no Morning Musume. desu. 17 Nenme mo, Saa, Ikou ka." as
- 2013 · Sayashi Riho Birthday Event ~Sayashi no Koto, Itsu Iwau no? Ima Desho!!~ / Sato Masaki Birthday Event ~14 sai nau nauuuu!!~ as
- 2013 · Morning Musume. DVD Magazine Vol.50 as
- 2013 · Alo-Hello! Morning Musume. 9・10ki as
- 2012 · Hello! Channel Vol.11 ~2013nen Shinshun Tokudaigou Mano Erina Sotsugyou Special!~ as
- 2012 · Petit Best 13 as
- 2012 · Alo-Hello! Morning Musume. Shashinshuu 2012 as
- 2012 · BS-TBS Summer Party 2012 Onna Nihonbuyo (Japanese Idol Style) as
- 2012 · Stacies Shoujo Saisatsu Kageki ~The Musical~ as
- 2012 · Morning Musume. 2012 Spring ~Ultra Smart~ Niigaki Risa & Mitsui Aika Sotsugyou Special as
- 2011 · Morning Musume. Zen Single MUSIC VIDEO Blu-ray File 2011 as
- 2011 · Petit Best 12 as
- 2011 · Hello! Project 2011 Autumn Hello! Project ☆ Festival 2011 ~MOBEKIMASU~ as
- 2011 · Reborn ~Inochi no Audition~ as
- 2011 · Morning Musume. 2011 Autumn Solo Sayashi Riho Ai BELIEVE ~Takahashi Ai Sotsugyou Kinen Special~ as
- 2011 · Alo-Hello! Morning Musume. Shashinshuu 2011 as
- 2011 · Morning Musume. DVD Magazine Vol.40 as
- 2011 · Sayashi Riho ~Greeting~ as
- 2011 · Sayashi Riho ~Sayashi Riho~ as
- 2011 · Morning Musume. 2011 Spring Shin Souseiki Fantasy DX ~9ki Mem wo Mukaete~ as
- 2011 · Morning Musume. 2011 Spring Solo Sayashi Riho Shin Souseiki Fantasy DX ~9ki Mem wo Mukaete~ as
- 2011 · Hello! Channel Vol.4 as
- 2011 · Eizouza・Morning Musume. 6 ~Single M Clips~ as
- Future · Ustream Musume as
- Future · Shitemiru Terebi! Kyoukun no Susume as
- 2012 · Hello! Project DVD Magazine Vol.30 as
- 2012 · Hello! Project 2012 Winter Hello☆Pro Tengoku ~Rock-chan~ as
- 2011 · Morning Days 9 Happy Holiday 9ki Member Fukumura Mizuki, Ikuta Erina, Sayashi Riho, Suzuki Kanon FC Tour in Yamanashi as
- 2011 · Hello! Project 2011 Summer ~Nippon no Mirai wa WOW WOW Live~ as
- 2011 · Hello! Channel Vol.5 as
- Future · Agepoyo TV as
- 2011 · Morning Musume. 9ki Member Ohirome Event as
- 2011 · Hello! Project 2011 Winter ~Kangei Shinsen Matsuri~ B kkuri Live as
- 2010 · Fashionable ~The Musical~ as