Mina's POV.     We entered the house and went straight to our rooms. Mom had already made super so we had to hurry before the food got cold. I showered, got dressed and went to Tzuyu's room. I found her in the middle of her dark room staring at her walls.   Her walls were dark blue, almost black and there was nothing hanging them. Her black curtains prevented the light to come in. She had a table with drawing sketches and books. There was no lamp on the table, but she did not need one. Her queen bed had dark blue covers with motives. She also had an electric piano/keyboard beside her table. This room have a feeling of loneliness.   "Tzuyu? Are you okay?" What a stupid question, of course she wasn't. I walked in front of her and stopped short. Her eyes were blood shot red. She had been drinking off drug addicts again.   "What did you do?" This is bad. Mom and Dad would flip if they knew Tzuyu was high. I grabbed her hand and lead her to the barthroom. I stripped her and shoved her under the hot water hoping it would help. I had to found some clothes for her and when I got back I slid down the bathroom wall and waited for her to come out. Once she was out and dressed we went down stairs.   Nayeon was already down there talking her head off to Mom and Dad about how she found her mate — Jeongyeon. She was so excited and happy that it made me smile. The thing I care most in the world is seeing my sisters happy even at the expense of my own. But right now I was scared of Tzuyu, I hope Nayeon (without her knowing) and I would be ale to distract our parents so they don't see Tzuyu like this again.   Dad was pretty angry last time she was in this condition. The problem was they thought she smoked, or sniffed some drugs. They didn't know she a guy and dry life with her fangs.   We were eating at the tale talking about our day in the city. Tzuyu was staring down and poking her food, "Are you high?" My Dad suddenly asked Tzuyu. The table went silent, "What?" Tzuyu asked while playing with the food.   "Are you high!?" He repeated slowly.   "How high?" She asked him, her eyes lifting to the sealing. I sighed; I really hoped it would never come to this.   "Dad, please let it go," I told him. He ignored me and got up from his chair. In a second he was beside my sister. He grabbed her roughly and sent the chair flying. He gripped her chin forcing her to look at him in the eyes. After a few seconds of silent he grabbed her shirt and slammed her on the table.   "How dare you! How dare you! I specifically told you not do this again."   "Dad, stop please!" I shouted at the same time my Mom screamed, "Minho, enough!"   I tried to pry my Dad of Tzuyu with no luck. Everyone was screaming except Tzuyu. She's just shut down and stared at the sealing. Dad let her go and turned to me.   "Get her out of this house, I don't want to see her disgusting face until she's sober." And then he walked out of the dining room. I grabbed Tzuyu's limp body in my arms and teleported us into a treehouse.   Tzuyu and I built this treehouse when we were younger. It has always been our safe place. There was a kitchen, a barthroom and a queen size bed on the first floor. On the second floor, it was a TV room, a sofa, a pool table and a grand piano. The treehouse was in a florest in our old territory and it was hidden by a spell so that nobody could find it.   I laid Tzuyu on the bed. I was about to get her something to drink when she grabbed my hand. I looked down at her. What I saw was shocking, but I was not surprised: the girl sitting on the bed was no longer my sister. She was a shell, a slave in her own mind. Her red eyes bore into mine as she slowly brought me down on the bed and kissed me. It was small but I did not kiss her back.   "Mistress? Do I not please you?" She asked me after I pulled her away. I shock my head, this couldn't be happening. I thought she was getting better.   "What's your name?" I asked her. She frowned; I knew she didn't have a name. It's the masters that determine their slave's names. "Who are you?" I tried again and there was no answer.   For the past two years, Tzuyu had these episodes but after what she went through I didn't blame her. I managed to find a few ways to make her remember who she was but they didn't always work.   "I'll do better, Mistress. I promisse." She came closer and started t