Inside of a cave, far up in the mountains, a girl with short purple hair and a black revealing skin tight suit is training for killing people to officially become a Hassan, specifically the Hassan of Serenity. She is very insecure about her body and how she looks, and due to her power her entire body is made of lethal poisons, meaning a drop of her blood could kill someone, suddenly while she's training she breaks down in tears, and from the corner in the shadows, a white skull mask emerges