Okai Chisato, born June 21, 1994, in Saitama, Japan, is a member of the J-pop group °C-ute, under Hello! Project.

Okai Chisato was originally a member of the Hello! Project Kids. In 2004 Berryz Koubou was formed, with the intention of rotating the kids throughout the unit. Okai didn't make the original pick, and the idea was eventually dropped. The remaining kids ending up forming °C-ute in 2005. The group didn't make its official debut until late in 2006, with their first official single released in February 2007.

She was a member of Little Gatas until she was added to Gatas Brilhantes H.P. in 2007. She was a part of the Hello! Project unit called Athena & Robikerottsu consisting of Okai, Niigaki Risa, Mitsui Aika, and Nakajima Saki, in 2007. They will sing the opening and ending theme song for the anime Robby & Kerobby.

A video of was uploaded to ℃-ute's Official Youtube Channel, called "Dance de Bakoon! dance cover - Okai Chisato (the person herself)". It achieved 100,000 views in 2 days; upon reaching 500,000 views, ℃-ute's new single "Aitai Lonely Christmas " PV was released in celebration. Along with a new photobook and DVD, she will now become the first member of C-ute to get her own single and a separate listing on iTunes. The release date is Nov 27, 2010, and the price is 200 JPY or 1 USD. Before the year ended, She released 2 more songs on iTunes.

Another song was released on iTunes by her on Jan 24, 2011. So far she has a total of 4 solo songs under her iTunes. (Love Namidairo, Romantic Ukare Mode, Manatsu no Kousen Egao ni Namida ~THANK YOU! DEAR MY FRIENDS~). Okai also had a solo DVD/CD come out called Solo Live 2011 Vol.1 ~Kaisha de Odotte Mita!~. The CD contains 2 songs from her Itunes, while the DVD has singing and dancing of 12 songs. (Some songs just the dance alone). With the new release of C-ute's new single Kiss me Aishiteru, she is one of the leads. This would make it her first time leading a single.

On May 27, 2017, Okai Chisato announced that after the group disbandment she intended to mainly focus on variety and talk shows but would make a return to singing at some point in the future.

On April 26, 2019, Okai announced that she has decided to take a break from entertainment activities as she has been continuously working for 17 years since she joined Hello! Project Kids and she wants to take the time to figure out what she wants to do next in life. She does not know how long her hiatus will be and she will not use her blog or SNS while she rests.

(Source: Hello! Project Wiki) Edit Biography