Hazeru walks into the bathroom to use it, and stumbles across it. After that the evil spirit appears and tries to kill Hazeru, but he escapes. It is used to find out the combination on the door to the reference room.
Can you text me the name of the new master?
Be careful, though! Use the 'cryptic' method (lol) that we made. Can't have others knowing so easily!
Remember, a number corresponds to certain letters in the alphabet! Look at your cellphone, dummy.
Oh yeah! Good luck for tomorrow's test! You're definitely going to need it Ahaha!
Old Notebook can be skipped if you know the combination beforehand.
The combination used to open the said door is 9854.