Member of Morning Musume (a very popular Japanese group) since May 2000. She joined with Rika Ishikawa, Ai Kago and Nozomi Tsuji, thus forming what is called the 4th generation of the group. She was only 15 when she debuted. Also member of Pucchi Moni, replacing Sayaka Ichii, and later of Morning Musume Sakura Gumi. Is considered as the most boyish ...