Oshi no KoOshi no Ko.

Oshi no Ko (【推しの子】) is a Japanese manga series written by Aka Akasaka and illustrated by Mengo Yokoyari. It was serialized in Shueisha's Weekly Young Jump from April 2020 to November 2024, with its chapters collected in 16 tankōbon volumes. It follows a doctor and his recently deceased patient who were reborn as twins to a famous Japanese pop idol, as they navigate the highs and lows of the country's entertainment industry while growing up together.