As a voice actress, she is known for her roles as Poporon in Dropkick on My Devil!, Daia in Kiratto Pri Chan, and Ayako Yamada in Kageki Shojo!

[1] She had an interest in music from an early age, partly under the influence of her grandmother, and she began taking voice lessons while in elementary school.

[3][1] In 2013, Sasaki launched a music career after winning a competition held by Teichiku Records as part of its 80th anniversary, beating 3,836 other applicants; she debuted under the stage name Rico.

[3] She also started a voice acting career, a decision she originally made while still in junior high school at the urging of a friend and one of her agency's staff members.

[7] Her song "Ashita e no Kaze" (明日への風), released on February 21 of that year, was used as an ending theme to the anime series Duel Masters.