A "comp" (complete) version often includes a pre-loaded save file that unlocks all scenes and endings in the gallery.
If you are using this to unlock a gallery, you usually need to move the persistent or save files into the game's local AppData folder. 🕹️ About the Game Chronicle of a vacation_comp.rar
Usually follows a protagonist on a summer break interacting with various characters in a small-town or resort setting. A "comp" (complete) version often includes a pre-loaded