Usually triggered by not using the Master Key Card with Aina at specific save points.

Use the Plank and Packing Tape to retrieve the Wind-Up Clock Spring from the hole. 4. Ending Guide

You'll need the Electronics Store Desk Key to get the Green Wire for the switchboard puzzle.

If a character's "Madness" level gets too high, they will hallucinate or trigger a Game Over. Avoid being caught by the killer and do not use the blue plants unless absolutely necessary.

Since this is a Japanese-developed game, you may need to set your Windows "System Locale" to Japanese or use a tool like Locale Emulator if the text appears as gibberish.

For a detailed step-by-step on every item location, the True Ending Guide on GameFAQs or the Steam Community Walkthrough are the best resources. True Ending Guide (CG 12/17) - Livestream 2 - GameFAQs

This is a survival horror adventure where you control three girls trapped in a shopping mall. You must switch between characters to solve puzzles, find items, and hide from a mascot killer.

There are several endings depending on how you use the and your characters' Madness levels: