After completing the Stage 4 to Stage 5 intro quest, you will need to complete the following tasks to reach the Ending.
Stage 5 begins when you return home to find that things in your apartment have changed.
Your bed is now outfitted with a new setup for mandatory VR training.
Dialogue will change if you already have bondage outfits and gear or if you already have a VR headset system.
When you go to sleep, you will be placed in a hypnosis VR version of your work day.
You will experience a hypno session intended to make you bend to the company. You can either submit and do whatever the VR session wants you to do or you can resist and maintain individuality.
You will need [>= 3 Willpower] to pass every check if you want to defy the programming. You must do this to pursue the new evil stage 5 path.
But before you can pursue this path, you must speak with the AI and return AIKO to the building's computer system
Primrose (Optional, mutually exclusive with Primrose Purification)