She is from Tokyo, and belongs to the show-business production Suns Entertainment.
She portrayed the hostess who became a nun named Saori in Lion-Maru G. Kobayashi graduated from Aoyama Gakuin Senior High School.
She later earned a degree in management at Aoyama Gakuin University.
She was a defender for the futsal team Carezza, having uniform number 3.
She left the agency and retired from the entertainment industry on September 30, 2018.