I'm not sure. It might have elements of reality, or it could be purely fictional. Without more context or specific knowledge about it, it's impossible to give a definite answer.
Oshi no Ko manga hasn't reached its conclusion. It continues to captivate readers with its evolving plot and characters. So, keep an eye out for the latest updates if you're a fan!
Oshi no Ko is indeed a weekly manga. You can expect new chapters to come out every week. However, there might be occasional breaks or delays due to various reasons.