A Japanese actress who made her major acting debut as Luka Millfy a.k.a. Gokai Yellow in the Super Sentai series Kaizoku Sentai Gokaiger. She started her career as a Japanese idol member of Horipro’s “HOP Club” under the stage name Minami Rio. After Gokaiger, she began her gravure idol career and voice acting, the latter of which has been performed under her moniker M·A·O.