Wataru Kozuki ( , Kozuki Wataru?, born June 28, 1971) is a Japanese performing artist and a former member of the Takarazuka Revue, where she specialized in playing male characters (Otokoyaku). She joined the revue in 1989 and resigned in 2006. She is from Iruma, Saitama .She is the only Otokoyaku and the only student in her class to reach top star status. (No musumeyaku in her class reached the status of top star). Also, she is the first otokoyaku top star who joined the company during the Heisei era.