2011

2011 is the year the 9th and 10th Generations joined Morning Musume; S/mileage added new members; and Takahashi Ai, Maeda Yuuka, and Ogawa Saki graduated Hello! Project.

Members

 * January 2: Fukumura Mizuki, Ikuta Erina, Sayashi Riho, and Suzuki Kanon join Morning Musume as the 9th Generation
 * January 12: MM Gakuen Gasshoubu disbands
 * January 28: Dream Morning Musume is formed
 * January ?: Mori Saki and Furukawa Konatsu graduate from Hello! Pro Egg
 * January 31: Kozuka Marina leaves NICE GIRL Project! Kenshuusei
 * February 21: Ohno Munehiko and Eric Fukusaki join Up-Front Agency
 * March 3: Up Front Girls is formed
 * March 27: Lilpri disbands
 * March ?:
 * Kitahara Sayaka, Sato Ayano, Sekine Azusa, and Arai Manami graduate Hello! Pro Egg
 * Tanaka Anri leaves Hello! Pro Egg
 * March 31: Maeda Irori joins AKBN 0.
 * April 5: Gabaro Nippon Ai wa Katsu is formed
 * April 17: SI☆NA disbands
 * April 18: Saho Akari graduates from Hello! Pro Egg
 * May 1: Matsui Yurie and Okada Reiko graduate from Canary Club and NICE GIRL Project!
 * June 19: Yoshihashi Kurumi, Hamaura Ayano, and Taguchi Natsumi join Hello! Pro Egg
 * June 20: Otsuka Aina, Mogi Minami, and Ogawa Rena join Hello! Pro Egg
 * July ?:
 * Up Front Girls becomes Up Up Girls (Kari)
 * Many HAPPY! STYLE members (including YuiKaori, Noto Arisa, and Matsunaga Maho) leave Up-Front Agency and join Style Cube
 * August 14: Nakanishi Kana, Kosuga Fuyuka, Takeuchi Akari, Katsuta Rina, and Tamura Meimi join S/mileage as sub-members
 * September 9: Kosuga Fuyuka leaves S/mileage
 * September 25: Okada Sayana leaves NICE GIRL Project! Kenshuusei
 * September 29: Iikubo Haruna, Ishida Ayumi, Sato Masaki, and Kudo Haruka join Morning Musume as the 10th Generation
 * September 30: Takahashi Ai graduates from Morning Musume and Hello! Project
 * September ?: Nagasawa Wakana and Jang Da Yeon leave Hello! Pro Egg
 * October 7: Reborn Eleven is formed
 * October 16: S/mileage sub-members become full members
 * October 17: Reborn Eleven disbands
 * November 12: Yamaga Kanae and Oda Sakura join Hello! Pro Egg
 * December 2: Oshikiri Sayaka leaves NICE GIRL Project! Kenshuusei
 * December 14: Yamashita Mizuki leaves NICE GIRL Project! Kenshuusei.
 * December 28: StylipS is formed
 * December 31: Maeda Yuuka graduates from S/mileage and Hello! Project

Singles
- °C-ute]]
 * January 24: Romantic Ukare Mode (digital) - Okai Chisato
 * January 26:
 * Seishun no Serenade - Mano Erina
 * Koi wo Shichaimashita! - Takahashi Ai
 * Onegai Miwaku no Target - Niigaki Risa
 * Koi no Hana - Niigaki Risa
 * Kousui - Niigaki Risa
 * Furusato - Niigaki Risa
 * Manatsu no Kousen - Niigaki Risa
 * LOVE Namida Iro - Niigaki Risa
 * Egao ni Namida ~THANK YOU! DEAR MY FRIENDS~ - Niigaki Risa
 * Manatsu no Kousen - Tanaka Reina
 * February 2: Zassou no Uta - Buono!
 * February 9: Shortcut - S/mileage
 * February 16:
 * Egao ni Namida ~THANK YOU! DEAR MY FRIENDS~ - Tanaka Reina
 * Koi no Hana - Tanaka Reina
 * Furusato - Suzuki Airi
 * February 23: Kiss me Aishiteru - ℃-ute
 * March 2:
 * Heroine ni Narou ka! - Berryz Koubou
 * LOVE Namida Iro - Takahashi Ai
 * Onegai Miwaku no Target - Tanaka Reina
 * Kousui - Tanaka Reina
 * Furusato - Natsuyaki Miyabi
 * Egao ni Namida ~THANK YOU! DEAR MY FRIENDS~ - Yajima Maimi
 * March 30:
 * Akai Nikkichou - Takahashi Ai
 * dearest. - Takahashi Ai
 * Furusato - Takahashi Ai
 * Egao ni Namida ~THANK YOU! DEAR MY FRIENDS~ - Tsugunaga Momoko
 * Koi wo Shichaimashita! - Tsugunaga Momoko
 * Kousui - Tsugunaga Momoko
 * Koi wo Shichaimashita! - Natsuyaki Miyabi
 * LOVE Namida Iro - Natsuyaki Miyabi
 * Akai Nikkichou - Sugaya Risako
 * Egao ni Namida ~THANK YOU! DEAR MY FRIENDS~ - Sugaya Risako
 * LOVE Namida Iro - Sugaya Risako
 * Kousui - Yajima Maimi
 * Akai Nikkichou - Suzuki Airi
 * Furusato - Okai Chisato
 * Futari Osaka - Matsuura Aya
 * April 6:
 * Maji Desu ka Ska! - Morning Musume
 * Shooting Smile - YuiKaori
 * April 27: Koi ni Booing Buu! - S/mileage
 * May 11: Kikkake wa YOU! - Kikkawa Yuu (debut)
 * May 17: Romantic Ukare Mode (indies) - Okai Chisato
 * May 25:
 * Momoiro Sparkling - ℃-ute
 * Busan Hatsu - Maeda Yuki (last)
 * June 4: Ai no Dangan - Berryz Koubou
 * June 15: Only you - Morning Musume
 * June 22: Yappa Seishun - Kitahara Sayaka (debut)
 * Manatsu no Kousen - Tanaka Reina
 * June 29: My Days for You - Mano Erina
 * July 20: Natsu Dakara! - Buono!
 * August 3: Uchouten LOVE - S/mileage
 * August 10:
 * Aa, Yo ga Akeru - Berryz Koubou
 * Reconquista - Hangry & Angry
 * September 7: Sekaiichi HAPPY na Onna no Ko - ℃-ute
 * September 14: Kono Chikyuu no Heiwa wo Honki de Negatterun da yo!/Kare to Issho ni Omise ga Shitai! - Morning Musume
 * September 28: Tachiagirl - S/mileage
 * October 5: Hapirapi ~Sunrise~ - Kikkawa Yuu
 * October 8: Reborn ~Inochi no Audition~ - Reborn Eleven
 * October 19: Non stop love Yoroshiku!! - Goto Maki with Ayanokoji Sho
 * November 2: Believe - Shibata Ayumi (debut)
 * November 9:
 * Amazuppai Haru ni Sakura Saku - BeriKyuu (debut)
 * Kanari Junjou - Kitahara Sayaka
 * November 16: Busu ni Naranai Tetsugaku - Hello! Project Mobekimasu
 * November 23: TRUTH / Tsubasa no Yukue - Rin (debut)
 * December 21:
 * Makeruna Wasshoi! - Bekimasu
 * Carina Notte - Kopink
 * December 28:
 * Please Miniskirt Postwoman! - S/mileage
 * Konna Watashi de Yokattara - Kikkawa Yuu

Albums

 * January 12:
 * Mecha Mote Iinchou Mecha Hit Kyokushuu 2 - Ogawa Mana, Sugaya Risako
 * Gloria - Goto Maki
 * January 26: Jia Jiayou! Da Xiao Jie - Da Xiao Jie
 * March 30: 7 Berryz Times - Berryz Koubou
 * April 6: Chou WONDERFUL! 6 - ℃-ute
 * April 20: Dreams. 1 - Dream Morning Musume (debut)
 * May 5: LOVE - Goto Maki
 * August 10: partenza - Buono!
 * August 31: 6 Nenme Start! - THE Possible
 * September 21: Puppy - YuiKaori (debut)
 * October 12: 12, Smart - Morning Musume
 * November 2: Ai Kotoba (VOICE) - Goto Maki
 * December 7: Petit Best 12 - Hello! Project
 * December 21: Matsuura Aya 10TH ANNIVERSARY BEST - Matsuura Aya

DVDs

 * January 7: Real Kakurenbo Final - Mitsui Aika
 * January 12: SAKI - Shimizu Saki
 * January 26: Mittsi - Mitsui Aika
 * February 2: Bijogaku Vol.3 - Mano Erina
 * February 5: Hidamari - Nakajima Saki
 * February 9: Berryz Koubou 2010 Aki ~BeriKou Fest!~ (DVD) - Berryz Koubou
 * February 12: Le Soleil - Sugaya Risako
 * February 16:
 * Alo-Hello! 2 Berryz Koubou Blu-ray Disc - Berryz Koubou
 * S/mileage no Music V Collection 1 - S/mileage
 * February 23:
 * Morning Musume Concert Tour 2010 Aki ~Rival Survival~ (DVD) - Morning Musume
 * NATURAL&COOL - Natsuyaki Miyabi
 * March 2:
 * Light Novel no Tanoshii Kakikata - Berryz Koubou
 * Bijogaku Vol,5 - S/mileage
 * Ayaka - Wada Ayaka
 * March 6: Momo Play♡ - Tsugunaga Momoko
 * March 13: attracted - Tanaka Reina
 * March 20: homey - Michishige Sayumi
 * March 27: Kaifuu - Yajima Maimi
 * April 6: Bijogaku Vol.7 - Mano Erina
 * April 13:
 * Morning Musume Concert Tour 2010 Aki ~Rival Survival~ (Blu-ray) - Morning Musume
 * Eizou The Morning Musume 6 ~Single M Clips~ - Morning Musume
 * April 20: AI loves you I love AI (DVD) - Takahashi Ai
 * April 27:
 * Hello! Project 2011 Winter ~Kangei Shinsen Matsuri~ A gana Live (DVD) - Hello! Project
 * Hello! Project 2011 Winter ~Kangei Shinsen Matsuri~ B kkuri Live (DVD) - Hello! Project
 * May 11: Berryz Koubou 2010 Aki ~BeriKou Fest!~ (Blu-ray) - Berryz Koubou
 * May 17:
 * Solo Live 2011 Vol.1 ~Kaisha de Odottemita!!~ Live in Heaven - Okai Chisato
 * Greeting ~Fukumura Mizuki~ - Fukumura Mizuki
 * May 18:
 * AI loves you I love AI (Blu-ray) - Takahashi Ai
 * Hello! Project 2011 Winter ~Kangei Shinsen Matsuri~ Kanzenban (Blu-ray) - Hello! Project
 * June 8: Bijogaku Vol.10 - S/mileage
 * June 14: Mizuiro - Hagiwara Mai
 * June 15: Bikini Torechaimashita - Okada Robin Shouko
 * June 18: Solo Live 2011 Vol.2 ~Hanzomon de Odottemita!!~ - Okai Chisato
 * June 22:
 * From Days - Mano Erina
 * Buono! Live 2011 winter ~Re;Buono!~ (DVD + Blu-ray) - Buono!
 * June 29:
 * S/mileage 1st Live Tour 2010 Aki ~Devil Smile Angel Smile~ (Blu-ray) - S/mileage
 * Kanzen Out! - Hashimoto Aina
 * July 6:
 * Bijogaku Vol,12 - S/mileage
 * Motto Moromoro OK! - Morozuka Kanami
 * June 8: Mou Sugu Adult - Goto Yuki
 * July 13:
 * ℃-ute & S/mileage Premium Live 2011 Haru ~℃ & S Collaboration Daisakusen~ (DVD) - ℃-ute, S/mileage
 * Kibun Tenkan (DVD) - Suzuki Airi
 * Akkyan Buchu - Akiyama Yurika
 * July 27: Morning Musume Concert Tour 2011 Haru Shin Souseiki Fantasy DX ~9ki Mem wo Mukaete~ (DVD) - Morning Musume
 * July 20: Berryz Koubou Kessei 7 Shuunen Kinen Concert Tour 2011 Haru ~Shuukan Berryz Times~ (DVD) - Berryz Koubou
 * July 30: Greeting ~Suzuki Kanon~ - Suzuki Kanon
 * August 3:
 * ℃-ute & S/mileage Premium Live 2011 Haru ~℃ & S Collaboration Daisakusen~ (Blu-ray) - ℃-ute, S/mileage
 * Natsu Karada (DVD) - Suzuki Airi
 * August 10: Berryz Koubou Kessei 7 Shuunen Kinen Concert Tour 2011 Haru ~Shuukan Berryz Times~ (Blu-ray) - Berryz Koubou
 * August 13: Greeting ~Ikuta Erina~ - Ikuta Erina
 * August 17:
 * Morning Musume Concert Tour 2011 Haru Shin Souseiki Fantasy DX ~9ki Mem wo Mukaete~ (Blu-ray) - Morning Musume
 * Berryz Koubou Single V Clips 5 - Berryz Koubou
 * August 24: S/mileage 2011 Limited Live "S/mile Factory" - S/mileage
 * August 30: a foggy doll - Yajima Maimi
 * August 31:
 * Kibun Tenkan (Blu-ray) - Suzuki Airi
 * Sayashi Riho ~Greeting~ - Sayashi Riho
 * September 7:
 * Taishou Roman Haikara Tantei Aoi Ruby Satsujinjiken - Tanaka Reina, Shimizu Saki, Sudo Maasa
 * Natsu Karada (Blu-ray) - Suzuki Airi
 * Bijogaku Vol,13 - 9th Generation
 * September 21:
 * Mano Erina Concert Tour 2011 ~Hatachi no Otome 801 DAYS~ - Mano Erina
 * S/mile Factory ~S/mileage 4nin de Saigo da YO! Medetai no ni!~ - S/mileage
 * Love Love Love (DVD) - Takahashi Ai
 * September 28:
 * Alo-Hello! 5 Morning Musume DVD - Morning Musume
 * ℃-ute Concert Tour 2011 Spring ~Chou! Chou WONDERFUL Tour~ (DVD + Blu-ray) - ℃-ute
 * September 30: a rainy day - Yajima Maimi
 * October 19: Love Love Love (Blu-ray) - Takahashi Ai
 * November 2: Alo-Hello! 5 Morning Musume Blu-ray Disc - Morning Musume
 * November 9: Mano Erina 10th Single Release Event Mano Sonata ~Red Sensation~ - Mano Erina
 * November 12: Imagine classic - Yajima Maimi
 * November 30: ℃-ute Cutie Circuit 2011 ~9gatsu 10ka wa ℃-ute no Hi~ - ℃-ute
 * December 7: Buono! Live Tour 2011summer ~Rock'n Buono!~ 4 (DVD + Blu-ray) - Buono!
 * December 9: IMP.GIRL - Okai Chisato
 * December 21:
 * Morning Musume Zen Single MUSIC VIDEO Blu-ray File 2011 - Morning Musume
 * Berryz Koubou Zen Single MUSIC VIDEO Blu-ray File 2011 - Berryz Koubou
 * ℃-ute Zen Single MUSIC VIDEO Blu-ray File 2011 - ℃-ute
 * Mano Erina Zen Single MUSIC VIDEO Blu-ray File 2011 - Mano Erina
 * S/mileage Zen Single MUSIC VIDEO Blu-ray File 2011 - S/mileage
 * S/mileage Concert Tour 2011 Aki ~Gyakushuu no Mini Skirt~ - S/mileage
 * December 23:
 * Momo Play 2 ~Yoru mo Uzai ne~ - Tsugunaga Momoko
 * one day in autumn - Kumai Yurina
 * December 28: Morning Musume Concert Tour 2011 Aki Ai Believe ~Takahashi Ai Graduation Memory Special~ (DVD + Blu-ray) - Morning Musume

Concerts

 * January 3 - January 23: Hello! Project 2011 Winter ~Kangei Shinsen Matsuri~ A gana Live
 * January 5 - January 23: Hello! Project 2011 Winter ~Kangei Shinsen Matsuri~ B kkuri Live
 * February 11 - February 20: Buono! Live 2011 winter ~Re;Buono!~
 * March 3 - June 5: Berryz Koubou Kessei 7 Shuunen Kinen Concert Tour 2011 Haru ~Shuukan Berryz Times~
 * March 5 - March 6: ℃-ute Cutie Circuit 2011 ~Kiss me Aishiteru~
 * April 3 - June 26: Morning Musume Concert Tour 2011 Haru Shin Souseiki Fantasy DX ~9ki Mem wo Mukaete~
 * April 16 - June 25: ℃-ute & S/mileage Premium Live 2011 Haru ~℃ & S Collaboration Daisakusen~
 * April 23 - May 29: Dream Morning Musume Concert Tour 2011 Haru no Mai ~Sotsugyousei DE Saikessei~
 * April 30 - July 2: ℃-ute Concert Tour 2011 Haru ~Chou! Chou Wonderful Tour~
 * May 28 - June 11: Mano Erina Concert Tour 2011 ~Hatachi no Otome 801 DAYS~
 * June 12: S/mileage 2011 Limited Live "S/mile Factory"
 * July 16 - August 14:
 * Hello! Project 2011 SUMMER ~Nippon no Mirai wa WOW WOW Live~
 * Hello! Project 2011 SUMMER ~Nippon no Mirai wa YEAH YEAH Live~
 * August 20 - August 28: Buono! Live Tour 2011 summer ~Rock'n Buono!~ 4
 * September 3 - September 30: Morning Musume Concert Tour 2011 Aki Ai BELIEVE ~Takahashi Ai Graduation Memory Special~
 * September 10: ℃-ute Cutie Circuit 2011 ~9gatsu 10ka wa ℃-ute no Hi~
 * September 10 - October 8: S/mileage Concert Tour 2011 Aki ~Gyakushuu no Mini Skirt~
 * September 11: Hello! Pro Egg 2011 Happyoukai ~9gatsu no Nama Tamago Show!~
 * October 22 - December 25: Berryz Koubou & ℃-ute Collaboration Concert Tour 2011 Autumn ~BeriKyuu Island~
 * November 23: Hello! Project ☆ Festival 2011

Books

 * January 1: Hello! Project DIGITAL BOOKS Vol.75 Michishige Sayumi - Michishige Sayumi
 * January 12: Shimizu Saki - Shimizu Saki
 * January 26: Aika - Mitsui Aika
 * February 25: Wada Ayaka 16 - Wada Ayaka
 * March 3: Berryz Koubou 7 Shuunen Kinen PHOTO BOOK - Berryz Koubou
 * March 28: LOVE NO.10 - Takahashi Ai
 * May 23: Meguru Haru - Suzuki Airi
 * June 23: OASIS - Suzuki Airi
 * July 15: W Saki - Nakajima Saki
 * August 9: Shin Souseiki Fantasy DX - 9ki Mem wo Mukaete  - Morning Musume
 * August 27: Sayashi Riho - Sayashi Riho
 * September 30: Ai Ai Ai - Takahashi Ai