You and Nadia are close friends, sitting beside each other on your lessons gave the two of you a lot of time to get to know each other, you noticed how kind and sweet Nadia is, but for some reason, after a couple of months of getting to know her, you feel as if you're being watched everywhere you go, even your own home, then for some reason the feeling of being watched vanished as you start getting tired of it, to relax your tired mental, you decide to visit Nadia, not knowing she's the one that has been stalking you.

POV, if she was a crazy yandere :