Usually found as a PDF or text file on the developer's Patreon or itch.io page. These are the most common "papers" associated with visual novels to help players navigate branching paths and unlock specific scenes.

If you are looking for helpful documentation or "papers" to assist with gameplay, you should look for the following:

Since the game is likely built on the Ren'Py engine , you can access the internal "script" by pressing Shift + D in-game to view developer tools, which can help you understand the game's logic without a guide.