Great game; I can't wait for more updates.
The plot reminds me of Ready Player One with Sword Art Online-like twist at the end.
As someone who played almost every version of this game, I can tell you that the gallery used to be in the main menu, but it caused problems. Not only the scene replay crashed, because the MC's name was not set, but also there was no way for the game to know which scenes have already been viewed during gameplay and therefore should be unlocked. I believe Caribdis restricted it to in-game menu for this reason.