Rina Akiyama (秋山 莉奈 Akiyama Rina, born 26 September 1989) is a Japanese actress, gravure idol, and tarento from Tokyo. Her most notable appearances are in two Kamen Rider Series, namely Kamen Rider Agito and Kamen Rider Den-O. She also has a cameo appearance in Metal Gear Solid 3: Snake Eater in which she is featured in a poster on one of the levels. She has also been named to have the "Best Buttocks in Japan" in 2007, which earned her the nickname "Oshirina", a portmanteau of the words "oshiri" (buttocks) and "Rina".
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