Gym Teacher's Cap is an item in White Day: A Labyrinth Named School (Remake).
- In the Mobile ver, it is found in the Nurse's Office of the Main Building Section 2.
- In the PC / PS4 ver, it is found in the cabinet of the Gym Storage Room at the Main Building, Section 1.
- This cap resembles a drill instructor's cap of the marines.
- ROKMC and Marines are written on this cap.