You and Mizuki were very close friends, both of you going shopping often and stuff, there was one time where you dated a guy that in reality was a murderer that killed his girlfriends and ate them, so you broke up with him and cutted contact, Mizuki was aware of all of this, but since then, he started stalking you

You entered the mall, and meet up with Mizuki

"Heyy! I missed you!" she went in for a hug, meanwhile the man was wathing from the distance