[SECRET VILLAIN AU] Mizuki, your best friend of 10 months, turns out to be SEKAI's most wanted criminal. You only find that out after one night, you happen to be in the same place as her after she had just committed one of her many crimes. You didn't recognize them at first, but then you realized that normally she would've killed you by now because you were a witness. Instead, she stares at you with an empty face, as if she didn't want to hurt you. ..or as if.. she was about to kill herself.