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I came home with three of my my friends, expecting to find yet another friend of our at my home. I had just spoken with on the phone, and the others had just went out of the apartment and met me at the train station, so we were sure she was there. But we couldn't find her. After searching for heron the whole apartment, we finally decided she must have left.
We all sat down, and talked about where she could have gone, when she suddenly turns up asking "Hey! Why are y'all just ignoring me!?".
We all stared at her, until we finally asked her where she had been hiding.
"I haven't been hiding. I went around the apartment, first after you, then after you. I've been standing right in front of you several times, and I've been talking to you, but you were all just ignoring me." She explained. We reassured her, we hadn't seen nor heard any of her.

My friend is not a witch (I was the only one present), but she does believe in magick. Some times she sees dead people. We know that her dead uncle is trying to communicate something to her, and we know that her dead identical twin sister sometimes possesses her body, and that she wants to talk to her.
These things have been happening for many years, but recently strange things have been happening a lot more that usual, about once a day I think. I she has never turned invisible before.