Yes, it does. The Oshi no Ko light novel expands on the story presented in the anime and manga. It goes into more detail about the characters' backstories, their thoughts, and the events that take place in the world of show business that the story is set in. It's a great addition for fans who want to delve deeper into the Oshi no Ko universe.
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.