Ryo Narushima (成嶋 涼 Narushima Ryō) aka Keiko Hayase is a Japanese actress who played Remi Hoshikawa (FiveYellow) in Chikyuu Sentai Fiveman. She also played Sakura (Pink Cherry Blossom) of the Flowery Kunoichi Team in Ninja Sentai Kakuranger. A year before Chikyuu Sentai Fiveman, she appeared in Episode 29 of Kousoku Sentai Turboranger as Mika Yamaguchi, the younger sister of the heroes' homeroom teacher Misa. She is married to her Chikyuu Sentai Fiveman co-star Ryouhei Kobayashi who plays her on-screen twin brother Fumiya in the series.