2009 Happenings

people
- 2 1 new leaders
- 0 -1 ex-leaders
- 28 20 joined groups
- 12 5 left groups
- 8 -2 new idols
- 28 26 graduations
- 0 0 born
- 3 3 retirements
- 3 0 disbanded groups
- 8 3 new groups
music
- 46 8 new singles
- 19 -1 new albums

December 2009
- 30
  - Melon Kinenbi releases “Melon Tea”
- 26
  - Noto Arisa becomes a soloist
- 16
  - Mano Erina releases “FRIENDS”
  - Buono! releases “Bravo☆Bravo”
- 13
  - ℃-ute releases “℃hristmas Party 2009”
- 9
  - Satoda Mai releases “Satoda Mai with Gouda Kazoku”
- 6
  - Kusumi Koharu leaves Hello! Project
    
    H!P
  - MilkyWay disbands
    with Kusumi Koharu
  - Kusumi Koharu leaves Morning Musume｡
- 2
  - Hello! Project releases “Pucchi Best 10”
    featuring Satoda Mai, Matsuura Aya, Morning Musume｡, Aa!, Berryz Koubou, ℃-ute, Buono!, High-King, Shugo Chara Egg!, Guardians 4, ANGERME, Shin Minimoni｡, Tanpopo♯ and Pucchimoni V
    
    H!P
- 1
  - Yasuda Kei and Yaguchi Mari release “Kimi ni Todoke”
November 2009
- 25
  - Mano Erina releases “Love & Peace = Paradise”
- 24
  - Tanabe Nanami joins Hello! Project
    
    H!P
  - Tanabe Nanami joins Shugo Chara Egg!
  - Tanabe Nanami joins HelloPro Kenshuusei
- 22
  - Takagi Sayuki joins Hello! Project
    
    H!P
  - Takagi Sayuki joins HelloPro Kenshuusei
- 18
  - ℃-ute releases “℃-ute nan desu! Zen Single Atsumechaimashita! ①”
  - Shugo Chara Egg! and Guardians 4 release “PARTY TIME”
  - HANGRY&ANGRY-f releases “Sadistic Dance”
- 11
  - S/mileage releases “Sukichan”
  - Berryz Koubou releases “Watashi no Mirai no Danna-sama / Ryuusei Boy”
October 2009
- 30
  - Inaba Atsuko retires from show business
- 28
  - Morning Musume｡ releases “Kimagure Princess”
- 25
  - Umeda Erika leaves Hello! Project
    
    H!P
- 21
  - Melon Kinenbi releases “Seishun・on the Road”
- 7
  - Morning Musume｡ releases “Morning Musume｡ Zen Single Coupling Collection”
September 2009
- 30
  - Mano Erina releases “Kono Mune no Tokimeki wo”
- 23
  - S/mileage releases “Asu wa Date na no ni､ Ima Sugu Koe ga Kikitai”
  - Noto Arisa leaves Hello! Project
    
    H!P
  - Tomoiki・Ki wo Uetai disbands
    with Noto Arisa, Furukawa Konatsu, Mori Saki, Maeda Yuuka and Saho Akari
  - Mori Saki leaves Tomoiki・Ki wo Uetai
  - Saho Akari leaves Tomoiki・Ki wo Uetai
  - Noto Arisa leaves HelloPro Kenshuusei
  - Noto Arisa steps down as leader of HelloPro Egg
- 16
  - Gotou Maki releases “SWEET BLACK”
  - ℃-ute releases “EVERYDAY Zekkouchou!!”
- 15
  - Da Xiao Jie releases “Wo Shi Da Xiao Jie”
  - Tsuji Nozomi releases “Bokutachi､ Zespri Kiwi da ne｡”
- 9
  - Maeda Yuki releases “Maeda Yuki Zenkyoku Shuu 〜Gwenchana〜”
  - The Possible releases “Family ～Tabidachi no Asa～”
- 2
  - Shugo Chara Egg! and Guardians 4 release “School Days”
August 2009
- 30
  - Sawada Yuri retires from show business
  - Sawada Yuri leaves Hello! Project
    
    H!P
  - Sawada Yuri leaves HelloPro Kenshuusei
- 26
  - Buono! releases “Take It Easy!”
  - Fukumura Mizuki joins Shugo Chara Egg!
  - Maeda Irori joins Shugo Chara Egg!
- 22
  - Oose Kaede leaves Hello! Project
    
    H!P
  - Oose Kaede retires from show business
  - Oose Kaede leaves Ciao Bella Cinquetti
- 12
  - Morning Musume｡ releases “Nanchatte Renai”
  - Melon Kinenbi releases “sweet suicide summer story”
July 2009
- 29
  - Mano Erina releases “Sekai wa Summer Party”
- 25
  - Nakayama Nana leaves Hello! Project
    
    H!P
- 22
  - Melon Kinenbi releases “Pinch wa Chance Baka ni Narou ze!”
- 15
  - Morning Musume｡, Aa!, Berryz Koubou, ℃-ute, High-King, Shin Minimoni｡, Pucchimoni V, Tanpopo♯, ZYX-α and Zoku・v-u-den release “Chanpuru ①〜Happy Marriage Song Cover Shuu〜”
- 9
  - Arihara Kanna leaves Hello! Project
    
    H!P
  - Arihara Kanna leaves ℃-ute
- 1
  - ℃-ute releases “Shochuu Omimai Moushiagemasu”
June 2009
- 24
  - Melon Kinenbi releases “DON'T SAY GOOD-BYE”
  - Kago Ai releases “no hesitAtIon”
- 23
  - Shin Minimoni｡ is formed
    with LinLin, Fukuda Kanon, Takeuchi Akari and Miyamoto Karin
  - Pucchimoni V is formed
    with Mano Erina, Nakajima Saki and Hagiwara Mai
  - Tanpopo♯ is formed
    with Kamei Eri, Mitsui Aika, Kumai Yurina and Okai Chisato
  - ZYX-α is formed
    with Niigaki Risa, Umeda Erika, Tsugunaga Momoko, Tokunaga Chinami, Sudou Maasa, Kusumi Koharu, Wada Ayaka and Ogawa Saki
  - Zoku・v-u-den is formed
    with JunJun, Michishige Sayumi and Sugaya Risako
  - Tanaka Reina steps down as leader of Aa!
  - Tanaka Reina leaves Aa!
  - Saho Akari joins Aa!
- 7
  - S/mileage releases “aMa no Jaku”
  - Hirano Tomomi joins Hello! Project
    
    H!P
  - Katsuta Rina joins Hello! Project
    
    H!P
  - Hirano Tomomi joins HelloPro Kenshuusei
  - Katsuta Rina joins HelloPro Kenshuusei
- 3
  - Berryz Koubou releases “Seishun Bus Guide / Rival”
May 2009
- 27
  - Shugo Chara Egg! and Guardians 4 release “Omakase♪Guardian”
- 20
  - Mano Erina releases “Hajimete no Keiken”
- 13
  - Morning Musume｡ releases “Shouganai Yume Oibito”
- 4
  - Sezaki Azusa leaves Hello! Project
    
    H!P
  - Sezaki Azusa leaves HelloPro Kenshuusei
April 2009
- 29
  - Buono! releases “MY BOY”
- 27
  - Gotou Maki releases “with…”
- 15
  - ℃-ute releases “Bye Bye Bye!”
- 12
  - HANGRY&ANGRY-f releases “Sadistic Dance”
- 4
  - ANGERME is formed
    with Wada Ayaka, Maeda Yuuka, Fukuda Kanon and Ogawa Saki
  - Satou Ayano joins Hello! Project
    
    H!P
  - Sezaki Azusa joins Hello! Project
    
    H!P
  - Satou Ayano joins HelloPro Kenshuusei
  - Sezaki Azusa joins HelloPro Kenshuusei
March 2009
- 31
  - Ishikawa Rika leaves Hello! Project
    
    H!P
  - Miyoshi Erika leaves Hello! Project
    
    H!P
  - Murata Megumi leaves Hello! Project
    
    H!P
  - Saitou Hitomi leaves Hello! Project
    
    H!P
  - Ootani Masae leaves Hello! Project
    
    H!P
  - Shibata Ayumi leaves Hello! Project
    
    H!P
  - Yoshizawa Hitomi leaves Hello! Project
    
    H!P
  - Satoda Mai leaves Hello! Project
    
    H!P
  - Country Girls disbands
    with Tsugunaga Momoko, Yamaki Risa, Inaba Manaka, Morito Chisaki and Ozeki Mai
  - Korenaga Miki leaves Hello! Project
    
    H!P
  - Abe Natsumi leaves Hello! Project
    
    H!P
  - Ayaka leaves Hello! Project
    
    H!P
  - Fujimoto Miki leaves Hello! Project
    
    H!P
  - Inaba Atsuko leaves Hello! Project
    
    H!P
  - Maeda Yuki leaves Hello! Project
    
    H!P
  - Matsuura Aya leaves Hello! Project
    
    H!P
  - Nakazawa Yuuko leaves Hello! Project
    
    H!P
  - Yaguchi Mari leaves Hello! Project
    
    H!P
  - Yasuda Kei leaves Hello! Project
    
    H!P
  - Iida Kaori leaves Hello! Project
    
    H!P
  - Satoda Mai leaves Country Girls
- 27
  - Aoki Erina leaves Hello! Project
    
    H!P
  - Aoki Erina leaves HelloPro Kenshuusei
  - Fukuda Kanon leaves HelloPro Kenshuusei
- 26
  - Guardians 4 is formed
    with Mitsui Aika, Kumai Yurina, Nakajima Saki and Sugaya Risako
- 18
  - Morning Musume｡ releases “Platinum 9 DISC”
  - Mano Erina releases “Otome no Inori”
  - MilkyWay releases “Kirarin☆Revolution Song Selection 5”
- 11
  - Berryz Koubou releases “Dakishimete Dakishimete”
  - Kira☆Pika and MilkyWay release “Best☆Kirari”
- 1
  - Da Xiao Jie is formed
    with Frances and Aiko
  - Frances joins Hello! Project
    
    H!P
  - Aiko joins Hello! Project
    
    H!P
February 2009
- 25
  - Maeda Yuki releases “Gwenchana〜Daijoubu〜”
  - Shugo Chara Egg! releases “Shugo Shugo!”
  - Gotou Maki releases “Lady-Rise”
- 18
  - Morning Musume｡ releases “Naichau Kamo”
- 11
  - Buono! releases “Buono!2”
  - Matsuura Aya releases “Chocolate Damashii”
- 8
  - ℃-ute releases “Cutie Kankousha Special CD〜Cutie Gudaguda Bousou Hantou〜”
- 4
  - Kusumi Koharu releases “Hapi☆Hapi Sunday!”
January 2009
- 31
  - Ice Creamusume｡ releases “1st Saikou!”
- 28
  - ℃-ute releases “④ Akogare My STAR”
- 21
  - Matsuura Aya releases “Omoi Afurete”
  - Buono! releases “co・no・mi・chi”
  - Gotou Maki releases “Fly away”
- 14
  - Berryz Koubou releases “Berryz Koubou Special Best Vol. 1”
  - Satoda Mai releases “Bye Bye”
- 9
  - Ice Creamusume｡ releases “1st Zuì Bàng!”
- 7
  - The Possible releases “Shiawase no Katachi”