2014 Happenings
- 13 left groups
- 11 new albums
- 27 new singles
- 17 new idols
- 49 joined groups
- 2 new leaders
- 1 ex-leaders
- 5 graduations
- 4 retirements
- 5 new groups
January 2014
- 6 Up Up Girls (Kari) releases “Upome!!〜UpG no Oshougatsu da yo Zennin Shuugou!〜”
- 13 ℃-ute releases “Tokai no Hitorigurashi Nai! Nai! Nai!”
- 29 Morning Musume｡’14 releases “Egao no Kimi wa Taiyou sa / Kimi no Kawari wa Iya Shinai / What is LOVE?”
February 2014
- 6 Team・Makenki is formed
- 12 Umeda Erika releases “erika”
- 19 Berryz Koubou releases “Otona na no yo! / 1oku 3senman Sou Diet Oukoku”
- 19 Up Up Girls (Kari) releases “Second Album (Kari)”
- 26 Berryz Koubou releases “Berryz Koubou Special Best Vol.2”
March 2014
- 5 Maeda Irori releases “Yakusoku / Kimi Tokidoki Heart”
- 5 ℃-ute releases “Kokoro no Sakebi wo Uta ni Shite Mita / Love take it all”
- 12 Morning Musume｡’14 releases “Morning Musume｡ ’14 Coupling Collection 2”
- 13 Sato no Akari is formed
- 13 ODATOMO is formed
- 13 Triplet is formed
- 19 Juice=Juice releases “Hadaka no Hadaka no Hadaka no KISS / Are Kore Shitai!”
- 26 The Possible releases “Yuuki Super Ball!”
April 2014
- 9 Up Up Girls (Kari) releases “(Kari) wa Kaesu ze☆be your soul / Party! Party! / Jumper!”
- 16 Morning Musume｡’14 releases “Toki wo Koe Sora wo Koe / Password is 0”
- 23 LoVendoЯ releases “Bukiyou”
- 23 ODATOMO , Triplet and Sato no Akari release “Aa, Subarashiki Hibi yo / Dream Last Train / Kodachi wo Nukeru Kaze no you ni”
- 30 S/mileage releases “Mystery Night! / Eighteen Emotion”
May 2014
- 2 Takemura Miu joins Hello! Project
- 2 Saitou Kana joins Hello! Project
- 4 Saitou Kana joins HelloPro Kenshuusei
- 4 Kosuga Fuyuka leaves Hello! Project
- 4 Kosuga Fuyuka leaves HelloPro Kenshuusei
- 4 Aikawa Maho joins Hello! Project
- 4 Aikawa Maho joins HelloPro Kenshuusei
- 4 Takemura Miu joins HelloPro Kenshuusei
- 15 HelloPro Kenshuusei releases “Karen na Gasshoudan”
June 2014
- 4 Berryz Koubou releases “Ai wa Itsumo Kimi no Naka ni / Futsuu, Idol 10nen Yatterannai Desho!?”
- 4 Kago Ai becomes leader of Girls Beat!!
- 4 Girls Beat!! is formed
- 25 Kikkawa You releases “URAHARA Temptation / Ii Jan”
July 2014
- 1 Up Up Girls (Kari) releases “Zenryoku! Pump UP!! / Kono Melody wo Kimi to”
- 16 ℃-ute releases “The Power / Kanashiki Heaven (Single Version)”
- 30 Juice=Juice releases “Black Butterfly / Kaze ni Fukarete”
August 2014
- 20 S/mileage releases “Aa Susukino / Chikyuu wa Kyou mo Ai wo Hagukumu”
September 2014
- 1 Ooura Hirona retires from show business
- 1 Tanaka Karen leaves HelloPro Kenshuusei
- 1 Ooura Hirona leaves HelloPro Kenshuusei
- 1 Ooura Hirona leaves Hello! Project
- 1 Tanaka Karen retires from show business
- 1 Tanaka Karen leaves Hello! Project
- 3 The Possible releases “1116”
- 17 Team・Makenki releases “Mugen, Fly High!!”
- 30 Haga Akane joins Morning Musume｡’14
- 30 Nonaka Miki joins Hello! Project
- 30 Makino Maria leaves HelloPro Kenshuusei
- 30 Haga Akane leaves HelloPro Kenshuusei
- 30 Nonaka Miki joins Morning Musume｡’14
- 30 Ogata Haruna joins Hello! Project
- 30 Makino Maria joins Morning Musume｡’14
- 30 Ogata Haruna joins Morning Musume｡’14
October 2014
- 1 Juice=Juice releases “Senobi / Date ja nai yo Uchi no Jinsei wa”
- 4 Kobayashi Azusa releases “Alexandrite”
- 4 Sasaki Rikako joins S/mileage
- 4 Aikawa Maho joins S/mileage
- 4 Murota Mizuki joins S/mileage
- 15 Morning Musume｡’14 releases “TIKI BUN / Shabadaba Do〜 / Mikaeri Bijin”
- 29 Morning Musume｡’14 releases “14 Shou〜The message〜”
- 29 Kikkawa You releases “Amai Melody / ｢Suki｣ no Kazoegata”
November 2014
- 4 Yoshihashi Kurumi leaves HelloPro Kenshuusei
- 4 Yoshihashi Kurumi leaves Hello! Project
- 4 Yoshihashi Kurumi retires from show business
- 4 Tanabe Nanami leaves HelloPro Kenshuusei
- 4 Tanabe Nanami retires from show business
- 4 Up Up Girls (Kari) releases “Beautiful Dreamer / Zenryoku! Pump Up!! -ULTRA MIX- / Itadaki wo Mezase!”
- 4 Tanabe Nanami leaves Hello! Project
- 5 Shimamura Uta joins Country Girls
- 5 Ozeki Mai joins Country Girls
- 5 Yamaki Risa joins Country Girls
- 5 Ozeki Mai joins Hello! Project
- 5 Inaba Manaka leaves HelloPro Kenshuusei
- 5 Yamaki Risa leaves HelloPro Kenshuusei
- 5 Morito Chisaki joins Country Girls
- 5 Inaba Manaka joins Country Girls
- 5 Shimamura Uta joins Hello! Project
- 5 LoVendoЯ releases “Ikujinashi”
- 5 Morito Chisaki joins Hello! Project
- 5 Tsugunaga Momoko joins Country Girls
- 12 Berryz Koubou releases “Romance wo Katatte / Towa no Uta”
- 19 Onoda Saori joins HelloPro Kenshuusei
- 19 Asakura Kiki joins Hello! Project
- 19 Onoda Saori joins Hello! Project
- 19 Asakura Kiki joins HelloPro Kenshuusei
- 19 ℃-ute releases “I miss you / THE FUTURE”
- 26 Michishige Sayumi steps down as leader of Morning Musume｡’14
- 26 Michishige Sayumi leaves Morning Musume｡’14
- 27 Fukumura Mizuki becomes leader of Morning Musume｡’14
- 29 Tanimoto Ami joins Hello! Project
- 29 Ogata Risa joins Hello! Project
- 29 Ogata Risa joins HelloPro Kenshuusei
- 29 Hirose Ayaka joins HelloPro Kenshuusei
- 29 Shimano Momoko joins HelloPro Kenshuusei
- 29 Hashimoto Nagisa joins Hello! Project
- 29 Shimano Momoko joins Hello! Project
- 29 Horie Kizuki joins Hello! Project
- 29 Horie Kizuki joins HelloPro Kenshuusei
- 29 Inoue Rei joins Hello! Project
- 29 Hirose Ayaka joins Hello! Project
- 29 Hashimoto Nagisa joins HelloPro Kenshuusei
- 29 Inoue Rei joins HelloPro Kenshuusei
- 29 Tanimoto Ami joins HelloPro Kenshuusei
December 2014
- 10 Yamaki Risa , Yamagishi Riko , Tanabe Nanami , Kaga Kaede , Hamaura Ayano , Ooura Hirona , Morning Musume｡’14 , Berryz Koubou , ℃-ute , S/mileage , Juice=Juice , Triplet , Sato no Akari and ODATOMO release “Pucchi Best 15”
- 10 S/mileage releases “SMILE FANTASY!”
- 24 Juice=Juice releases “｢Musical Koisuru Hello Kitty｣ Original Soundtrack”
- 29 Aikawa Maho leaves HelloPro Kenshuusei
- 29 Sasaki Rikako leaves HelloPro Kenshuusei
- 29 Murota Mizuki leaves HelloPro Kenshuusei