2010 was the year when Kamei Eri, Junjun, and Linlin graduated from Morning Musume and Hello! Project.
Members
Edit
- January ?: Wonderful Hearts disbands to form Hello! Project Mobekimasu
- March 27:
- Kizawa Runa, Nagasawa Wakana, and Kudo Haruka join Hello Pro Egg
- Shugo Chara Egg! and Guardians 4 disband
- April 1: Oha Girl Maple is formed
- May 3: Melon Kinenbi disbands
- May 16: Ex-ceed! is formed
- May ?: Lilpri is formed
- October 28: Ex-ceed! disbands
- November ?: Hirano Tomomi leaves Hello Pro Egg
- December??: Kikkawa Yuu finished training from Hello Pro Kenshuusei
- December 15:
- Kamei Eri, Li Chun, and Qian Lin graduate from Morning Musume and Hello! Project
- Muten Musume disbands
- ??:
- Muten Musume is formed
- Ice Creamusume disbands
- Tanaka Anri, Sengoku Minami, Sainen Mia, Okai Asuna, Komine Momoka, Maeda Irori, and Kizawa Runa leave Hello Pro Egg
- Afternoon Musume is formed
SinglesEdit
- January 6: SHOCK! - ℃-ute
- January 13: Kaze wo Sagashite - Yaguchi Mari and Straw Hats
- January 20: Going On! - Guardians 4 (last)
- February 3: Our Songs - Buono!
- February 10: Onna ga Medatte Naze Ikenai - Morning Musume
- February 24: Haru no Arashi - Mano Erina
- March 3: Otakebi Boy WAO! / Tomodachi wa Tomodachi Nanda! - Berryz Koubou
- March 6: READY! KICK OFF!! - Ongaku Gatas
- March 14: Otona ni Narutte Muzukashii!!! - S/mileage
- April 4: Mianeyo ~Gomennasai~ - Maeda Yuki
- April 28: Campus Life ~Umarete Kite Yokatta~ - ℃-ute
- May 12:
- Onegai Dakara... - Mano Erina
- May 26: Yumemiru Fifteen - S/mileage (major debut)
- June 2: Yabe~Nabe~ na Atsuryoku Be~na~ - THE Possible with Oto no Moto
- June 3: LOVE - Rin
- June 9: Seishun Collection - Morning Musume
- June 14:
- Jeanne d'Arc - Rin
- Android - Rin
- June 16: Little♡Princess☆Pri! - Lilpri (debut)
- June 24:
- July 14: Maji Bomber!! - Berryz Koubou
- July 28: ○○ Ganbaranakutemo Eenende!! - S/mileage
- August 25: Dance de Bakoon! - ℃-ute
- September 15:
- Genkimono de Ikou! - Mano Erina
- Ameagari no Niji no you ni - Abe Natsumi
- September 29: Onaji Jikyuu de Hataraku Tomodachi no Bijin Mama - S/mileage
- October 6: Watashi no Miryoku / LOVE^2 Paradise - THE Possible
- October 13:
- Akuma de Cute na Seishun Graffiti - ℃-ute
- Oshare My Dream / Elegant Girl - Kitagami Mimi (CV Ogawa Mana) / Himuro Ibu (CV Sugaya Risako)
- October 27: Appare Kaitenzushi! - Muten Musume
- November 2: Merry Go Round - Muto Mika (debut)
- November 10: Shining Power - Berryz Koubou
- November 17:
- Onna to Otoko no Lullaby Game - Morning Musume
- Idolulu - Lilpri (last)
- November 24: My School March - Oha Girl Maple with S/mileage
- November 27: LOVE Namida Iro - Okai Chisato
- December 1:
- Aitai Lonely Christmas - ℃-ute
- Ramen Revolution 2010 Long Type - Morning Musume
- December 10:
- Seinaru Kane ga Hibiku Yoru - Niigaki Risa
- Seinaru Kane ga Hibiku Yoru - Tanaka Reina
- Seinaru Kane ga Hibiku Yoru - Tsugunaga Momoko
- Seinaru Kane ga Hibiku Yoru - Yajima Maimi
- Seinaru Kane ga Hibiku Yoru - Suzuki Airi
- Egao ni Namida ~THANK YOU! DEAR MY FRIENDS~ - Okai Chisato
- Manatsu no Kousen - Okai Chisato
AlbumsEdit
- February 3: Wo Shi Da Xiao Jie (Year of the Tiger Version) - Da Xiao Jie
- February 10: We are Buono! - Buono!
- February 17: MELON'S NOT DEAD - Melon Kinenbi
- February 24: Shocking 5 - ℃-ute
- March 10: Shugo Chara! Song♪Best - Buono!. Guardians 4, Shugo Chara Egg!
- March 17: 10 MY ME - Morning Musume
- March 31:
- April 21: URA MELON - Melon Kinenbi (last)
- July 21: ① Teenage Blues - Ogawa Mana
- July 25: END OF THE GATE - Noto Arisa
- July 28: ONE - Goto Maki
- August 10: The Best Buono! - Buono!
- August 14: innocent as a BABY - Noto Arisa
- November 22:
- Goto Maki 2001- 2007 - Goto Maki
- Click you Link me - Matsuura Aya
- November 24:
- December 1: Fantasy! Juuichi - Morning Musume
- December 8:
- Warugaki ① - S/mileage (debut)
- Hello Cover - Kamei Eri
- December 12: a piece of Romance - Noto Arisa
- December 15: Petit Best 11 - Hello! Project
DVDsEdit
Fashionable - Morning Musume
- January
- January 6: RIKA - Ishikawa Rika
- January 20: Morning Musume Yomiuri Land EAST LIVE 2009 - Morning Musume
- January 27:
- February
- February 10: Berryz Koubou Concert Tour 2009 Aki ~Medachitaii!!~ - Berryz Koubou
- February 17:
- ℃-ute Cutie Circuit 2009 ~FIVE~ - ℃-ute
- Koisuru Hello Kitty - Mano Erina
- February 24: Morning Musume Concert Tour 2009 Aki ~Nine Smile~ - Morning Musume
- March
- March 3:
- Mano Erina Single V Clips 1 - Mano Erina
- too sweet Eri - Kamei Eri
- March 10: CLIPS vol.1 - Buono!
- March 17: Shugo Chara! Clip♪Best - Buono!, Guardians 4, Shugo Chara Egg!
- March 19: Morning Musume DVD MAGAZINE Vol.29
- March 31: Hello! Project 2010 WINTER Kachou Fuugetsu ~Shuffle Date~ (DVD) - Hello! Project
- April
- April 17:
- April 28:
- Hello! Project 2010 Winter Kachou Fuugetsu ~Mobekimasu!~ (DVD) - Hello! Project
- Sayu - Michishige Sayumi
- May
- May 19: Buono! Live 2010 ~We are Buono!~
- June
- June 2: Figure - Takahashi Ai
- June 11: Morning Musume DVD MAGAZINE Vol.32
- June 16:
- June 23:
- Berryz Koubou Festival ~Youkoso Otakebi Land e~ - Berryz Koubou
- Fix no E - Yajima Maimi
- July
- July 7: ℃-ute Concert Tour 2010 Haru ~Shocking LIVE~ - ℃-ute
- July 14:
- August
- August 4:
- Maeda Yuuka Junpaku - Maeda Yuuka
- Hello! Project 2010 WINTER Kachou Fuugetsu ~Shuffle Date~ (Blu-ray) - Hello! Project
- Hello! Project 2010 Winter Kachou Fuugetsu ~Mobekimasu!~ (Blu-ray) - Hello! Project
- August 25:
- September
- September 15: Fashionable - Morning Musume
- September 18:
- October
- October 10: Morning Musume DVD MAGAZINE Vol.35
- October 27: Hello! Project 2010 Summer ~Fankora!~ - Hello! Project
- November
- November 10: Buono! Live Tour 2010 ~Rock'n Buono!~ 3 - Buono!
- November 13:
- November 17: Alo-Hello! 2 Berryz Koubou DVD - Berryz Koubou
- December
- December 24: Chissaa - Okai Chisato
OthersEdit
- January 24: Goto Maki reports that her mother passed away
- March 3: Berryz Koubou's 6th anniversary
- April 4: S/mileage's 1st anniversary
- June 11: ℃-ute's 5th anniversary
- September 14: Morning Musume's 13th anniversary
- November 10: Fujimoto Miki reports that her father passed away
