Oshi no ko

So this is the anime Oshi no ko. It all started when a doctor became the fan of the idol Ai. But then Ai got pregnant and the doctor died and got revided as Aqua, the idol's son and he had a sister, Ruby. But then Ai got killed by a former fan of hers. Aqua knew that their dad made this fan kill Ai. Aqua knows that his dad is famous so he becomes an actor at his 16 so he can find his dad and kill him. Ruby made friends, Mem and Kana and made a new idol group with them. Now Aqua is working with a theatre to make the manga Tokyo Blade a live action of the theatre with Kana, Akane, who are rivals, and much more famous people. You can be anyone you want