Arai Sayaka

 is a former candidate of Niji no Conquistador and former member of Happy Dance and Bijin Mochiya.

She was on the Choreographer Team of Niji no Conquistador.

Profile

 * Charm point: Dimples
 * Hobbies: Visiting sushi restaurants
 * Special skills: Talking with anyone
 * Future ambition: Actress

Trivia

 * Her younger sister is former pax puella member Arai Yurika.