Men doru: Ikemen aidoru (2008)

The story revolves around three ordinary girls named Asahi, Nami, and Hinata who are aiming to become idols, but they repeatedly fail in their auditions. One day, they witness a serious crime, and they are forced to flee from the culprits. Fortunately, they are saved by a producer who is willing to let them debut, but they have to hide their true identities and dress up as boys instead.