The story takes place at a certain high school’s Idol Research Club. Mitsuki Tsunoda, a male student and hardcore idol otaku, suddenly finds himself transformed—his body has turned into that of a girl! Just as Mitsuki struggles to deal with this bizarre situation, his favorite former idol, who once disappeared from the spotlight, suddenly reappears before him…!? Now, with his beloved “oshi” by his side, Mitsuki sets his sights on the top of the idol world! Let the high school gender-bending idol comedy begin!