Oshi no Ko

is a Japanese manga series written by Aka Akasaka and illustrated by Mengo Yokoyari. It has been serialized in Shueisha's Weekly Young Jump since April 2020, with its chapters collected in twelve tankōbon volumes as of July 2023. It has been licensed for release in North America by Yen Press and is simultaneously published by Shueisha on their Manga Plus platform. It follows a doctor and his recently deceased patient who were reborn as twins to a famous Japanese pop idol and navigate the highs and lows of the country's entertainment industry as they grow up together through their lives. An anime television series adaptation, produced by Doga Kobo, aired its first 11-episode season from April to June 2023. A second season has been announced. In North America, Sentai Filmworks has licensed the series with an English dub, which premiered on Hidive in May 2023. By October 2023, the manga had over 14 million copies in circulation. Plot Obstetrician-gynecologist Gorou Amamiya is tasked with helping deliver the children of Ai Hoshino, a famous pop idol whom he admires, without the knowledge of the general public. However, the night of Ai's delivery, Gorou is murdered by an obsessive fan of Ai's, and is reincarnated as Aquamarine "Aqua" Hoshino, Ai's son, retaining his memories of his previous life. Unbeknownst to him, Aqua's fraternal twin, Ruby Hoshino, is the reincarnation of Sarina Tendōji, one of Gorou's patients who was a fan of Ai's. Four years later, Ai is murdered by the same fan that had killed Gorou. The fan later commits suicide, but Aqua deduces that the murderer may have had his and Ruby's father as an accomplice and resolves to infiltrate the entertainment industry to find and kill him.