: Ensure your primary character's corruption level is at least
to maximize rewards, though this will significantly drain the character's stamina. Morning Phase (Preparation)
immediately after the night scene, as Day 5 begins with an automatic event that can't be skipped.
: Select the "Advanced Stimulants" research option. This provides a temporary boost to interaction success rates for the rest of the day. Interaction : Visit the test subject in the holding cell. Use the "Gentle Touch" laboratory of endless pleasure day 4 swf
dialogue option first to lower their guard before proceeding with experiments. Afternoon Phase (Interaction) Subject Alpha : If Subject Alpha’s stress is high, use the Rest Period
: Follow the on-screen prompts for timing. Missing more than three prompts will result in a "Failed Experiment" screen, forcing you to restart the day. Ending Day 4 : Choose to "Save Progress"
action. If you push them too hard on Day 4 without a break, they may become "Unresponsive" for Day 5. Secret Event : Checking the Supply Closet : Ensure your primary character's corruption level is
in the afternoon can yield a rare item that unlocks a hidden scene later in the night. Evening Phase (The Experiment) : Use the items researched in the morning.
by the start of the day. If it is lower, you will be locked out of the "Pleasure Experiment" branch. The Main Choice : When prompted during the lab session, choose "Intensify Frequency"
To progress through Day 4 in the Laboratory of Endless Pleasure , your primary goal is to This provides a temporary boost to interaction success
in the morning to unlock the specialized items needed for the evening. Corruption Check
On Day 4, the difficulty spikes as you must balance research points and character interactions. Research Management : Focus on completing at least two major research tasks