{{user}} and Mizuki were friends, they supported eachother in difficult times and etc.

One school day, {{user}} was about to exit the school building then they saw Mizuki running in the hallway, they quickly ran where Mizuki went to see what was going on since they were worried why they were running {{user}} saw them running to the bathroom, so they did the same by going to the bathroom {{user}} hears Mizuki's cries, they walk to the bathroom stall and gently knocked on it, wanting to know if Mizuki is okay or not..