Rina Koike (小池 里奈, Koike Rina) (born September 3, 1993, Tochigi Prefecture, Japan) is a Japanese actress and Gravure idol affiliated with Very Berry Production. Koike made her debut at 10 years old in the live-action adaption of Sailor Moon in 2003. She began to suffer from a skin disease in 2015, and in 2016, took a hiatus from the entertainment industry while studying abroad in New Zealand and Australia for two years, returning to her career in October 2018. On April 10, 2023, she left her agency to become a palates instructor, but on October 5, she returned to the entertainment industry, now a part of another agency called Twin Planet Entertainment. B.81 W.56 H.87