Nanami Kousaka wants to be an idol, but he keeps getting turned down at auditions because of his overly cute appearance. He is approached by a producer, Kouichi Kitami, who gets him to debut as Mi-Na while crossdressing.
(Source: MU)

Kairi Shinonome's younger twin brother, Anri, has been dressed as a girl since birth by their mother. One day, Anri goes to an idol audition. Kairi cross-dresses as well to go and stop him, but unexpectedly they both end up scouted as idols!