Silv, Yuki and I are roaming around in the hospital, Silv seems really happy for some reason.

"It's been almost an hour that we walk, are we going to get there soon?"

"Come on, there's no rush. I just want to enjoy the last chapter of my story with my sisters."

"You're not my sister..."

Yuki is hiding behind me, I can feel her shaking and breathing heavily. She really doesn't want to see Silv at all.

"We are sisters by soul, we are one."

"So tell me, what's the deal with that last mystery? Couldn't you do like the six other and act like normal?"

"It's a special mystery, we did something all together. Don't you remember it? The day when we killed someone."

I don't know why, but I feel like she's right. I have some faint memories about someone dying because of us, is it really true?

"This day I managed to break the lock of the door and left my room. I felt attracted by you two, I made you go out of your rooms too, and we came here."

The room 116, I remember part of it. 

"Big sis, I'm scared."

"It's only the beginning!"

Silv opens the door with a key she probably stole, everything is like usual, but I know it had a dark truth.

"It was my first painting, the first thing I could see, the first color I could imagine."

"We were going to see your mother, right?"

"Yes, I still have this day in my mind. That's the true reason I paint, to make those thoughts go out of me. I just want to live without all of these in me. But it's okay, thanks to that I can have my own story, a story of girl that investigate mysteries with her friends!"

For a brief moment, it felt like I could help her. But her eyes are already full of madness.

"Silv, you need help."

"I don't need help, we need to solve it! The truth that I couldn't paint, why has she died? It's our last mystery! Let's solve it all together!"

"You don't know how she died, or you just want your game to continue?"

"That's another mystery, but not today's mystery."

I'll have to investigate then, I need to find out what we did back then.

"Yuki, I'm sorry to ask you that, but do you remember something?"

"I was sick and I couldn't move a lot, so we played with a machine."

I do remember it, Silv was with her mother and mother and we were playing with a machine next to Silv's mother's bed. Now that I think about it, it was to regulate her heartbeat.

"And you Silv? You remember anything?"

"I can only remember her scream, that the first thing I ever was able to paint. My mother, screaming in agony."

Her smile when she says that give me chills, is she really that deep in darkness of madness?

"And you Lucie? You remember anything?"

"There was a scalpel that a doctor left here, I don't know why I remember it so clearly."

"You can deduce it now, I'm sure everyone already understood what happened!"

Who's everyone? I feel like she really is hallucinating now. It's not important, I just need to figure out what happened.

"For me it's obvious, you killed her by playing with the machine."

"No we didn't, you even said you heard her scream. If we messed with the machine her heartbeat would stop at worse, but it wouldn't make her scream like she did."

"So you must have killed her with the scalpel!"

"No, it's impossible, Yuki could barely move and I had to take care of her."

It's simple, a very simple answer. But she was six at the time, would a six-year-old really do that?

"So tell me, what happened?"

"Silv... Don't tell me you really did it."

A sinister smile appears on her face, Yuki is putting her head in my clothes to not see her madness.

"I did, and I don't regret one bit. It was the first time I could feel it, feel the inspiration in me. I was able to see something in my mind!"

"But why did you do it?"

"To be honest, I don't know. I felt like I needed to do it. I just wanted to go to my mother, but I felt the urge to do it when I was next to her."

There's police's siren outside. Did someone call the police?

"I knew they would do it, but it's okay. I had my fun for now."

She walked in the hallway calmly, like nothing ever happened.

"What are you going to do?"

"Put an end to my story, I'll tell everything I did to the police. But listen to me, I will come back. There isn't anything that can stop me. It's only a part of my story that stops here."

She really meant that, she told the police what she did. They didn't believe her but still took her. I wonder if I'm really going to her more about her one day.

A year has passed since then, I decided to become a detective and leave the hospital. I feel like that's what I need to do. It's the day where I'm going to leave for the big city, everyone came at the train station to say goodbye.

"We shall miss you."

"I will too, but I'll call you often. I promise."

"If you need anything we'll always be here for ya."

"Thanks Owen, I'll do all I can for all of you too."

"Everything will go well for all of us, I'm sure it will for Silv too."

Sebastian still cares for her, I'm sure everyone does. She was their friend after all.

"Goodbay, I'll miss you a lot." Is marked on Sofia's notebook. I write "I will too" on her notebook. She holds it like it was precious to her.

"Yuki, have you decided if you want to come?"

"I will stay here, the doctor said he'll help me! I'll come to you as soon as I can."

When doctor chieftain heard the story, he wanted to help Yuki to regain her body. With modern technology, he said it would be possible and that we could treat her disease too. I can't help but to hug her one last time.

"I love you, Yuki."

"I love you too Big sis!"

I can't help but to have tears in my eyes, the train has arrived.

"It's time for me to go now."

I wave one last time at them and go in the train. 
Once seated inside, I see all of them trying to scream at me and wave at me.
The train go and they disappear out of my sight.

"One day we will be reunited, big sis."