Eita Chinami who aims to be a man among men accidentally drinks a very expensive magical medicine that changes his gender. And the only way she (formerly he) can change back to normal is to buy again that very expensive medicine. And his friend tells him the fastest way to do that is to become an idol.
Comedy Ecchi Gender Bender Romance Seinen
[晴瀬 ひろき] アイドル・プリテンダー 第01巻