Secret Girls (2011)

Secret Girls 2011 / シークレットガールズ 2011 / Shikuretto Garuzu

Third-year middle school students Rio Shibaski and Maya Aramaki are fans of Secrets, an idol girl group whose personal lives and identities remain private. Rio and Maya later find out that the members of Secrets are their classmates, and they are recruited into the group. The five girls begin performing under the name Secret Girls and must continue to keep their double lives separate and a secret from others. (Source: Wikipedia)