Kotono Mitsuishi is a prolific Japanese seiyū from Tokyo. As a young girl, Mitsuishi lived in Nagareyama, Chiba. Mitsuishi
graduated from high school in 1986, and entered the Katsuta Seiyū Academy. While attending the academy, she began working
part time as an elevator girl in the Sunshine 60 building. Afterward, she found a position as an office lady, but because
of taking too much time off, she was forced to quit.