| 2010 ・・ 2019 ・ 2020 ・ 2021 ・・ 2030 |
2020 is the year when Kobushi Factory disbanded; Murota Mizuki, Funaki Musubu, Miyamoto Karin and Ogata Risa departed from their respective groups and Hello! Project; Oota Haruka withdrew from ANGERME; Inoue Rei joined Juice=Juice; and Kawana Rin, Tamenaga Shion and Matsumoto Wakana joined ANGERME.
In this year, many concerts, events, and releases across Hello! Project and UP-FRONT GROUP were cancelled, postponed, or affected in some way due to the coronavirus pandemic.
Members
- January 1: Morning Musume '19 becomes Morning Musume '20.
- February 28: Oota Haruka is suspended from all activities.
- March 22: Murota Mizuki graduates from ANGERME and Hello! Project.
- March 30:
- Kobushi Factory disbands.
- Hirose Ayaka, Nomura Minami, Hamaura Ayano, and Wada Sakurako graduate from Hello! Project.
- April 1: Inoue Rei joins Juice=Juice
- October 8: Ogata Risa is suspended from all activities.
- October 13: Oota Haruka withdraws from ANGERME, but remains in Hello! Project.
- November 2: Kawana Rin, Tamenaga Shion and Matsumoto Wakana join ANGERME as 9th generation members.
- November 4: Ishiyama Sakura and Arisawa Ichika join Hello Pro Kenshuusei.
- December 9: Funaki Musubu graduates from ANGERME and Hello! Project.
- December 10: Miyamoto Karin graduates from Juice=Juice and Hello! Project.
- December 28: Ogata Risa withdraws from Tsubaki Factory and Hello! Project.
Singles
Morning Musume '20 - KOKORO&KARADA / LOVEpedia / Ningen Kankei No way way
- January 15: Ishiki Takai Otome no Dilemma / Dakishimerarete Mitai - Tsubaki Factory
- January 22: KOKORO&KARADA / LOVEpedia / Ningen Kankei No way way - Morning Musume '20
- March 4: Seishun no Hana / Start Line - Kobushi Factory
- April 1: Pop Music / Suki tte Itte yo - Juice=Juice
- August 26: Kagiriaru Moment / Mirror Mirror - ANGERME
- September 30: Dansha-ISM / Ima Nanji? - Tsubaki Factory
- December 16: Junjou Evidence / Gyuusaretai Dake na no ni - Morning Musume '20
Digital Songs
- January 28: Kiiroi Sen no Uchigawa de Narande Omachi Kudasai - Kanazawa Tomoko
- March 23: Kimi Dake ja nai sa...friends (Acoustic Ver.) - Murota Mizuki
- December 9: Kaeritakunai na. - Funaki Musubu
- December 10: Mirai no Filament - Miyamoto Karin
Albums
- January 8: Petit Best 20 2020 - Hello! Project
- November 11: Engeki Joshibu "Arabeyooooonds Nights" Original Soundtrack - BEYOOOOONDS
DVD Singles
- February 8:
- February 23: Event V "KOKORO&KARADA / LOVEpedia / Ningen Kankei No way way" - Morning Musume '20
- May 9: Event V "Pop Music / Suki tte Itte yo" - Juice=Juice
- October 1: Event V "Kagiriaru Moment / Mirror Mirror" - ANGERME
DVDs/Blu-rays
- January 8: Kobushi Factory Live Tour 2019 Aki ~Punching the air! Special~ (DVD & Blu-ray)
- January 22: The Girls Live Vol.63 (DVD)
- February 5: ANGERME 2019 Aki "Next Page" ~Katsuta Rina Sotsugyou Special~ (DVD & Blu-ray)
- February 12: The Girls Live Vol.64 (DVD)
- February 26: Reborn ~13nin no Tamashii wa Kami-sama no Yume wo Miru~ (DVD)
- March 11:
- The Girls Live Vol.65 (DVD)
- Country Girls Kessei 5 Shuunen Kinen Event ~Go for the future!!!!~ (DVD)
- March 25:
- Miyamoto Karin LIVE TOUR ~Karing~ (DVD & Blu-ray)
- Kobushi Ongaku Eizou Shuu (Blu-ray)
- April 1: ANGERME Live Tour 2019 Natsu Aki "Next Page" ~Nakanishi Kana Sotsugyou Special~ (DVD & Blu-ray)
- April 8: Country Girls Live 2019 ~Itooshikutte Gomen ne~ (DVD & Blu-ray)
- April 15: Juice=Juice CONCERT 2019 ~octopic!~ (DVD & Blu-ray)
- May 20:
- LIVE BEYOOOOOND1St (DVD & Blu-ray)
- Hello! Project COUNTDOWN PARTY 2019 ~GOOD BYE & HELLO!~ (Blu-ray)
- Morning Musume '19 Concert Tour Aki ~KOKORO&KARADA~ FINAL (DVD & Blu-ray)
- May 27: Hello! Project 2020 Winter HELLO! PROJECT IS [ ] ~side A / side B~ (DVD & Blu-ray)
- July 8: Kobushi Factory Live 2020 ~The Final Ring!~ (DVD & Blu-ray)
- August 19:
- September 16: KURAGAE ~Watashitachi no Koto, Oshite Kudasai!~ (DVD)
- October 14: Ouchi demo Beyonds Gakkou (DVD)
- October 21: Hello! Project Visual Commentary ~Member Osusume Live Eizou~ (Blu-ray)
- December 9: Hello! Project presents... "Solo Fes!" (Blu-ray)
- December 16: Hello! Project Kenshuusei Happyoukai 2020 ~Natsu no Koukai Jitsuryoku Shindan Test~ (Blu-ray)
Concerts
- January 2 - February 24: Hello! Project 2020 Winter
- January 27 - February 19: Kanazawa Tomoko LIVE 2020 ~Rose Quartz~
- February 3 - February 9: Juice=Juice LIVE TOUR 2020 ~NEW SENSATION~
- February 9 - February 22: ANGERME Live Tour 2020 Fuyu Haru ROCK ON! LOCK ON!
- February 22: Tsubaki Factory Live Tour 2020 Haru Tsubaki
- March 8 - May 31:
BEYOOOOONDS 1st LIVE TOUR 2020 ~Pop! Step! Zen Onpu!!~(cancelled) - March 14 - June 7:
Morning Musume '20 Concert Tour Haru ~MOMM~(cancelled) - March 15 - March 20:
Hello! Project Kenshuusei Happyoukai 2020 3gatsu ~Tsumugu~(cancelled) - March 20 - March 22: Hello! Project Hina Fes 2020 (concert held without audience)
- March 29 - April 5:
Morning Musume '20 Dinner Show "Happy Night"(cancelled) - March 30: Kobushi Factory Live 2020 ~The Final Ring!~ (concert held without audience)
- April 11 - May 23:
ANGERME Concert Tour 2020 Haru LOCK ON! ROCK ON!(cancelled) - April 25 - May 31:
Juice=Juice CONCERT TOUR 2020 ~Pop Juice Journey~(cancelled) - May 3 - May 31:
Tsubaki Factory Concert Tour 2020 Haru CAMELLIA(cancelled) - June 2:
Juice=Juice CONCERT TOUR 2020 ~Pop Juice Journey~ FINAL(cancelled) - June 3:
Juice=Juice CONCERT TOUR 2020 ~Pop Juice Journey~ FINAL Miyamoto Karin Sotsugyou Special(cancelled) - June 12:
ANGERME Concert Tour 2020 Haru LOCK ON! ROCK ON! ~Funaki Musubu Sotsugyou Special~(cancelled) - July 11 - September 5: Hello! Project 2020 Summer COVERS ~The Ballad~
- July 26: Hello! Project Kenshuusei Happyoukai 2020 ~Natsu no Koukai Jitsuryoku Shindan Test~ (concert held without audience)
- September 19 - December 6: Hello! Project 2020 ~The Ballad~
- September 20 - September 22: Hello! Project Kenshuusei Happyoukai 2020 9gatsu ~Cosmos~
- October 12: Hello! Project 2020 Autumn ~The Ballad~ Extra Number
- December 2: Hello! Project 2020 ~The Ballad~ Special Number
- December 9: ANGERME Concert 2020 ~Kishotenketsu~ Funaki Musubu Sotsugyou Special
- December 10: Juice=Juice Concert 2020 ~Tsuzuiteiku STORY~ Miyamoto Karin Sotsugyou Special
- December 19 - December 20: Hello! Project Kenshuusei Happyoukai 2020 12gatsu ~Hikari~
- December 30: Hello! Project 2020 COVERS ~The Ballad Best Selection~
- December 31: Hello! Project Year-End Party 2020 ~GOOD BYE & HELLO!~
Events
- February 22 - February 23: Kobushi Factory Fanclub Tour "Smile For You!!!!!" in Shizuoka
- March 12:
- September 27: Juice=Juice Miyamoto Karin FC Event 2020
- October 10: Juice=Juice Special Event 2020 ~10gatsu 10ka wa Juice=Juice no Hi!~
- November 10: Morning Musume '20 15ki Member FC Event ~Iwai Ichigo Ichinen~
- November 19 - November 20: ANGERME Funaki Musubu FC Event ~Musubi~
- December 12: Tsubaki Factory FC Event ~Camellia Fai! vol.11 Camellia Xmas2020~
- December 13: BEYOOOOONDS FC Event 2020 ~Christmas no Jin ZIN~
- December 16: ANGERME FC Event 2020 ~Angermerry Xmas~
- December 18: Juice=Juice FC Event 2020 ~Meri Kuri×Juice×Box V~
- December 20: Morning Musume '20 FC Event ~Premoni Christmas Kai~
Birthday Events
- January 7: Morning Musume '20 Ishida Ayumi Birthday Event
- January 8: Juice=Juice Inaba Manaka Birthday Event in Sapporo
- January 20: ANGERME Ise Layla Birthday Event 2020
- January 24: Juice=Juice Uemura Akari Birthday Event in Osaka
- February 3: Morning Musume '20 Makino Maria Birthday Event
- February 10: Kobushi Factory Nomura Minami Birthday Event 2020
- February 20: Morning Musume '20 Morito Chisaki Birthday Event
- February 25: Morning Musume '20 Yokoyama Reina Birthday Event
- February 26: BEYOOOOONDS / CHICA#TETSU Ichioka Reina Birthday Event 2020
- March 9:
Kobushi Factory Wada Sakurako Birthday Event 2020(cancelled) - July 21: Juice=Juice Kanazawa Tomoko Birthday Event 2020
- July 27: Juice=Juice Inoue Rei Birthday Event 2020
- July 28: Morning Musume '20 Oda Sakura Birthday Event ~Sakura no Shirabe 9~ (reschedule)
- July 29: Tsubaki Factory Akiyama Mao Birthday Event 2020
- July 30: BEYOOOOONDS / Ame no Mori Kawa Umi Takase Kurumi Birthday Event 2020 (reschedule)
- July 31: Morning Musume '20 Haga Akane Birthday Event (reschedule)
- August 3: Morning Musume '20 Kitagawa Rio Birthday Event (reschedule)
- August 4: BEYOOOOONDS / CHICA#TETSU Eguchi Saya Birthday Event 2020
- August 6: Morning Musume '20 Okamura Homare Birthday Event
- August 13: Juice=Juice Takagi Sayuki Birthday Event 2020 (reschedule)
- August 14: ANGERME Funaki Musubu Birthday Event 2020 (reschedule)
- August 18: Tsubaki Factory Kishimoto Yumeno Birthday Event 2020 (reschedule)
- August 19: ANGERME Sasaki Rikako Birthday Event 2020
- August 20: BEYOOOOONDS / CHICA#TETSU Shimakura Rika Birthday Event 2020
- August 21: Morning Musume '20 Yamazaki Mei Birthday Event
- August 26: Morning Musume '20 Sato Masaki Birthday Event (reschedule)
- August 27: Morning Musume '20 Ikuta Erina Birthday Event
- September 1: BEYOOOOONDS / CHICA#TETSU Nishida Shiori Birthday Event 2020
- September 2: BEYOOOOONDS Kobayashi Honoka Birthday Event 2020
- September 3: Tsubaki Factory Asakura Kiki Birthday Event 2020
- September 7: BEYOOOOONDS / Ame no Mori Kawa Umi Maeda Kokoro Birthday Event 2020
- September 8: Juice=Juice Dambara Ruru Birthday Event 2020 (reschedule)
- September 9: Juice=Juice Matsunaga Riai Birthday Event 2020
- September 22: BEYOOOOONDS Satoyoshi Utano Birthday Event 2020
- September 25: ANGERME Kawamura Ayano Birthday Event 2020
- September 29: Tsubaki Factory Ono Mizuho Birthday Event 2020
- October 5: ANGERME Hashisako Rin Birthday Event 2020
- October 7: Morning Musume '20 Nonaka Miki Birthday Event
- October 15: Juice=Juice Kudo Yume Birthday Event 2020
- October 20: Tsubaki Factory Niinuma Kisora Birthday Event 2020
- October 21: BEYOOOOONDS / Ame no Mori Kawa Umi Okamura Minami Birthday Event 2020
- October 22: ANGERME Kasahara Momona Birthday Event 2020
- October 26: ANGERME Kamikokuryo Moe Birthday Event 2020
- October 30: Morning Musume '20 Fukumura Mizuki Birthday Event
- November 5:
Tsubaki Factory Ogata Risa Birthday Event 2020(cancelled) - November 6: BEYOOOOONDS / Ame no Mori Kawa Umi Yamazaki Yuhane Birthday Event 2020
- November 17: Tsubaki Factory Tanimoto Ami Birthday Event 2020
- November 24: Tsubaki Factory Yamagishi Riko Birthday Event 2020
- November 26: ANGERME Takeuchi Akari Birthday Event 2020
- November 30: Morning Musume '20 Kaga Kaede Birthday Event
- December 1: Juice=Juice Miyamoto Karin Birthday Event 2020
- December 11: BEYOOOOONDS Hirai Miyo Birthday Event 2020
- December 14: Juice=Juice Inaba Manaka Birthday Event 2020
- December 17: Tsubaki Factory Onoda Saori Birthday Event 2020
- December 21: Juice=Juice Uemura Akari Birthday Event 2020
- December 22: BEYOOOOONDS / Ame no Mori Kawa Umi Kiyono Momohime Birthday Event 2020
Theater
- October 9 - October 18: Arabeyooooonds Nights (postponed from April 17 - April 26 dates)
Auditions
ANGERME ONLY ONE Audition ~Watashi wo Tsukuru no wa Watashi~
- January 11: ANGERME ONLY ONE Audition ~Watashi wo Tsukuru no wa Watashi~ begins.
- February 15: ANGERME ONLY ONE Audition ~Watashi wo Tsukuru no wa Watashi~ application deadline.
- March 12: ANGERME ONLY ONE Audition ~Watashi wo Tsukuru no wa Watashi~ first round completed.
- April 17: ANGERME ONLY ONE Audition ~Watashi wo Tsukuru no wa Watashi~ second round completed.
- July 20: ANGERME ONLY ONE Audition ~Watashi wo Tsukuru no wa Watashi~ third round completed.
- November 2: ANGERME ONLY ONE Audition ~Watashi wo Tsukuru no wa Watashi~ results announced.
Publications
- January 1: Hello Pro Maruwakari BOOK 2020 WINTER
- January 2: You ~You make me~ - Inoue Rei
- January 7: believe in oneself - Ishida Ayumi
- February 2: Maria19 - Makino Maria
- March 7: Akane - Haga Akane
- April 20: SAKURA COLOR - Oda Sakura
- May 1: KESSYO - Funaki Musubu
- May 13: R-21 - Yamagishi Riko
- May 20: RIN - Miyamoto Karin
- May 28: Rikako -Shoujo, Dai Ni Shou- - Sasaki Rikako
- June 12: Mei - Yamazaki Mei
- June 25: Yuhane - Yamazaki Yuhane
- July 10: Homare - Okamura Homare
- August 7: BEYOOOOONDS① - BEYOOOOONDS
- August 20: Juukyuusai no Natsu - Shimakura Rika
- September 9: Hello Pro Visual Photobook 2020 AUTUMN
- September 19: eighteen face - Maeda Kokoro
- September 29: MIZUH◎ - Ono Mizuho
- October 1: Crossroads - Morito Chisaki
- October 29: Iroha Kaede - Kaga Kaede
- November 12: First Time - Kitagawa Rio
- November 16: Am1 - Tanimoto Ami
- December 16: Shiori - Nishida Shiori
- December 27: Loveliness... - Inaba Manaka
Anniversaries
- January 2: Kobushi Factory's formation 5th anniversary
- January 28: Morning Musume's major debut 22nd anniversary
- February 3: Juice=Juice's formation 7th anniversary
- February 22: Tsubaki Factory's major debut 3rd anniversary
- April 4: ANGERME's formation 11th anniversary
- April 29: Tsubaki Factory's formation 5th anniversary
- May 26: ANGERME's major debut 10th anniversary
- August 7: BEYOOOOONDS's major debut 1st anniversary
- September 11: Juice=Juice's major debut 7th anniversary
- September 14: Morning Musume's formation 23rd anniversary
- October 10: Juice=Juice Day (JuuJuu no Hi)
- October 19: BEYOOOOONDS's formation 2nd anniversary
| 2010 ・・ 2019 ・ 2020 ・ 2021 ・・ 2030 |