[1] The former gravure idol had her first collection of nude photos published at age eighteen by Asahi Press in the photobook Naked Reon (はだかのれおん) in June 2004.
[2] Kadena also appeared in a number of glamour videos including the September 2005 Reon Style (レオンスタイル) released by Geneon Entertainment.
[3] In July 2005, Kadena made her theatrical debut in the erotic drama Piikan Fūfu.
[4] Three years later in June 2008, she co-starred with fellow gravure idol Yuuri Morishita in the Toei comedy Secret Undercover Agent: Wild Cats in Strip Royale as secret agents Honey and Bunny who investigate strange incidents beyond the abilities of the regular police.
[5][6] Kadena also appeared in a number of television dramas including being part of the regular cast for the TV Asahi action-mystery series Maid Deka (メイド刑事) which was broadcast in 11 episodes from June to September 2009.