Chisato Okai [938923] Gender: Female Popularity: 0.3532 Birthplace: Tokorozawa, Saitama Prefecture, Japan Birthday: 1994-06-21 Age: 30 years Movies: 13 Links: Homepage, IMDB Biography: 岡井千聖 (Okai Chisato) is a former Japanese pop singer. She is a former member of the group ℃-ute under Hello! Project. She is also a former member of Mellowquad and Triplet and leader of Team Okai. On May 1, 2020, she announced she had retired from the entertainment industry. Hello! Project D2016-01-02 Ousama Game2011-12-17 Ring of Curse2011-10-29 Zomvideo2011-10-14 Hello! Project 22010-08-08 ℃-uteコンサ2009-10-25 ℃-ute コン2009-05-06 ℃-ute Cutie Ci2008-09-10 ℃-uteコンサ2008-08-30 ℃-ute ライ2007-09-30 Cutie Circuit 202007-09-10 ℃-ute デビ2007-02-25 The Story of Dan2002-12-14