The manga Oshi no Ko by Aka Akasaka ( Kaguya-sama ) and Mengo Yokoyari has already sold 1.5 million copies. According to reports , this number is based on only 4 published volumes.
Synopsis:
The story follows a doctor and fan of a 16-year-old idol named Ai Hoshino . One day, Hoshino appears at his office, saying she's pregnant with twins, and her manager tells her to abort the babies. But the idol doesn't want an abortion; she wants to have both children. After this, the doctor is attacked and killed, reincarnating as one of the idol's children .
Finally, the manga is published by Shueisha.
Via: Yorimen