寶塚歌劇團
is a Japanese actress/singer most widely recognized as Takarazuka Revue Flower Troupe's otokoyaku ("男役" Takarazuka actresses who play male roles) top star from 2011 to 2014. Ranju is considered one of the best singers the revue has had in the recent years, and was selected to record songs for many of Takazuka's albums, both while she was with the revue and after she "graduated" from Takarazuka Revue.