°Chrisron

* Name: Okai Chisato (岡井千聖)
* Birth Date: 1994-06-21
* Birthplace: Saitama, Japan
* Nickname: Chisa
* Blood type: A
* Height: 149 cm (Kindai - 08.01.24)
* Hello! Project Groups:
o Hello! Project Kids
o °C-ute (2005–)
o Athena & Robikerottsu (2007–)
* Shuffle Groups:
o 2004: H.P. All Stars
* Other:
o Little Gatas (2004–2007)
o Gatas Brilhantes H.P. (2007–)