Koike Rina (小池里奈 )
Rina Koike (小池 里奈), born September 3, 1993, Tochigi Prefecture, Japan is a Japanese actress and idol affiliated with Very Berry Production.
Koike started a junior Idol career with the DVD Big Brother at age 10, when she was in 4th grade. Koike also works for Very Berry Production as a model. Koike Rina had a role on the live-action version of Sailor Moon, Pretty Guardian Sailor Moon. She plays the character Sailor Luna, as Luna transforms to a young girl later on in the series.