2007

2007 was the year in which Li Chun and Qian Lin joined Morning Musume, Yoshizawa Hitomi graduated from Morning Musume, Konno Asami returned from Hiatus, Fujimoto Miki left temporaly Morning Musume and Hello! Project, Goto Maki graduated from Hello! Project, Kago Ai left Hello! Project, THE Possible graduated from Hello! Project and NICE GIRL Project! was formed.

Members

 * January??
 * Kira☆Pika is formed
 * Kago Ai leaves Hello! Project
 * W disbands
 * January 27:
 * Kimura Asami and Saito Miuna graduated from Country Musume and Hello! Project
 * March??
 * Qian Lin & Kikkawa Yuu join Hello Pro Egg
 * May 6:
 * Yoshizawa Hitomi graduates from Morning Musume
 * Li Chun & Qian Lin join Morning Musume as 8th. Generation members
 * June 1:
 * Fujimoto Miki left temporaly Morning Musume and Hello! Project
 * June 10:
 * Hashida Mirei leaves Hello Pro Egg
 * June 28:
 * Konno Asami return to Hello! Project
 * July 21
 * Buono! is formed
 * October 15:
 * NICE GIRL Project! is created
 * October 28:
 * Goto Maki graduates from Hello! Project
 * Morning Musume Tanjou 10nen Kinentai disbands
 * October??
 * THE Possible graduates from Hello! Project and joins NICE GIRL Project!
 * November??:
 * Yutoku Ayumi leaves Hello Pro Egg
 * Ongaku Gatas is formed
 * Morning Musume Tanjou 10nen Kinentai is formed
 * Canary Club is formed
 * Pabo is formed
 * Athena & Robikerottsu is formed
 * Athena & Robikerottsu is formed