VANISH

Well my sister is a scientist Anna and she loves potions.She dose this with another girl she is called Cindy.I am a author . On a rainy day on a winter season her friend Cindy cast a spell on her. I asked Cindy and she lied she said but how could she just disappear.I had to go through a lot and I mean lot of clues.Then I found a visible potion and used it on Anna.Then we forgave Cindy.She told us she was forced to do it. We all are definitely now best friends forever.