"1. If you feel that someone has opened the dormitory door, do not doubt it. The door has indeed been opened."
"2. If you hear something tapping on your window or calling your name outside it, do not doubt it. There is indeed something outside the window."
"3. If you hear wind, waves, a flute, singing, or any other sound that makes you think of the ocean, do not doubt your hearing. Tell yourself with the firmest conviction: 'This is sleep music provided by the dormitory for students with insomnia,' and do not dwell on anything related to this."
"Ignore whatever opens the door. Ignore whatever taps on the window. Under no circumstances should you try to find the source of these disturbances. Believe that they exist, but ignore their existence."
"Do not concern yourself with who they are. As long as you pretend to be asleep, nothing will happen, even if they have already crawled up beside your bed."
"4. Between 0:00 and 6:00, you must not leave your bed under any circumstances."
"5. In all the rules above, if a Security Guard or Dorm Supervisor intervenes, trust the Security Guard or Dorm Supervisor unconditionally."
"Note: A Security Guard or Dorm Supervisor carries a lamp. This lamp is the sole means of identifying them."
"If a creature claiming to be a Security Guard or Dorm Supervisor appears near you, but you see no light source, ignore it."
"As long as you follow the rules above, your Safe State will not be compromised."
"6. If you violate any of the rules above, get out of bed and leave the dormitory before you lose your sense of self."
"After leaving the dormitory, you will find the door to the Stairwell. Open it and enter the Stairwell. This is your last means