This is probably a story about the development of entertainment in the second dimension. A senior sister named Kasumigaoka Shiha, a high school idol group named Muse, Tamaki Ako who can't distinguish between games and reality, Kuroneko who excelled in middle school, and a new employee named Suzukaze Aoba...
This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.