Tentative order of worlds:
Idol Activity - Battle Girl's Final Song - AKB0048 - The Prince of Song - Beautiful Melody Three
This is the author's practice of writing, please don't criticize if you don't like it.
I want to see two-dimensional idols and work hard to see more idols. Only by becoming a star can you be recognized by the world and watch the plot develop at a close distance.
Conception: