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Sayaka Ichii (市井 紗耶香 Ichii Sayaka?, born December 31, 1983 in Funabashi, Chiba, Japan) is a Japanese pop singer and former member for Japanese girl group Morning Musume


Joined the girl group Morning Musume in 1998. She, along with Mari Yaguchi and Kei Yasuda, formed the second generation of members. While in Morning Musume, Sayaka Ichii was put into the spin-off group, Petitmoni. Ichii was also part of the Hello Project! Summer Shuffles 2000 group Aoiro 7. She also recorded a folk song album with Yuko Nakazawa.

Sayaka Ichii graduated from Morning Musume and Hello! Project after the single "Happy Summer Wedding" in 2000. A year after she left, she formed the group Ichii Sayaka in Cubic-Cross, trio with Taisei (keyboardist from Sharan Q), and wrote two of their songs. In 2003, Cubic-Cross disbanded, and after a solo single Ichii announced in 2004 that she was pregnant and was to marry the group's guitarist, Naoki Yoshizawa. In August of the same year her first child was born. She is now a mother of two. In 2009 she made a return to the entertainment industry. In 2011, she divorced her husband, Naoki Yoshizawa.

Discography and releasesEdit


Duet with Yuko Nakazawa
  • Folk Songs (November 29, 2001)
Ichii Sayaka in Cubic-Cross
  • C:BOX (November 20, 2002)


Sayaka Ichii in Cubic-Cross
  • Jinsei Ga Mou Hajimatteru (April 24, 2002)
  • Shitsuren Love Song (July 17, 2002)
  • Todoke! Koi no Telepathy (November 9, 2002)
  • Zutto Zutto (May 1, 2003)
Sayaka Ichii
  • 4U ~Hitasura~ (September 3, 2003)


  • Folk Days (February 28, 2002)


  • Self (February 10, 2002)