What about something related to LoLK?
Dream World (Chapter 2 of MVZ2) is a reference to the location of the same name in Touhou LoLK
Next chapter probably will be Mountain of Faith related because well it's mentioned in the game
Yes, the chapters follow the Touhou releases but in a reverse order. Chapter 2 through 12 corresponds to Touhou 15 through 5, respectively.
