Only One. (Darkiplier/Markiplier X Reader)

Chapter One - Big Day.

I've been working at Old Bay's Therapy for five years now, and i have dealt with every different person there can ever be. Some patients cannot be helped, but i try my best. I'm currently on break and my next patient is to show up in three minutes, his name is Mark Fishbach. He had multiple personality disorder, and he has asked me to help him figure out what he should do about it. There's not much he can do, he shares his body with a personality of the name "Darkiplier". A doorbell rings from down the hall, I grab my cup of coffee and walks to open the door.

"Hello, Miss (L/N)!" Says Mark as if he has not seen me in months.

'We're not even that close' I thought to myself.

"Hello Mr Fishbach, Please, come in."

I walk back toward my area in the building, sort of like a living room. A lounge chair that my patients lay back in along with a soft hair for me to sit on next to the lounge. In front of a warm fireplace, which is nice in these cold winter days. It's December 20th, almost Christmas. As I sat down Mark walks in behind me, he stands behind me with his arms behind his back and a huge grin on his face.

"Now Mr Fishcbach, what are you up to?" I asked as I rise an eyebrow in confusion.

He pulls his arms from behind his back revealing a bouquet of red roses, but one of them was black.

"These are for you, Miss (L/N)" He says as he pushes the roses further closer to me.

"I see, well.. Thank you Mark" I take the flowers and lay the bouquet down on my lap. I look up at him as he lays down on the lounge chair.

"Now Mark, you made this appointment for a reason. How can i help you?" I asked as I look at him with a serious expression. He looks over smiling at me.

"Half of me just wanted to see you, but I'm worried." he said as he looked up at the ceiling and his expression completely changed. His face began to drop to a sad expression. "My personalities are clashing, pushing each other, trying to separate. I feel like my body wont be able to handle it much longer, or my sanity."

My eyes widen, I look at him. I write down in my notebook every thing he says as he explains in great detail what he's been experiencing. The poor guy has been fighting himself, physically and mentally. At this point, only one of his personalities are going to survive. I lead Mark out for the day, I can't help but worry about the guy. As he leaves I walk back into my area and jump on my computer. I start to remember how there was an old therapist in Ireland who had dealt with a patient just like Mark.

'Sean Mcloughlin, Irish maniac' I said to myself as i read the therapist's page.

This guy in Ireland had been bullied and criticized for his disorder and all the therapist ends up doing in secluding this guy in his basement in a cage like a wild animal until his crazy side came out and took over. Antisepticeye as Sean called him. I sit back in my chair and just start to think, I don't plan on locking Mark in my basement. Maybe i should actually befriend Mark, he seems to really like me. I've never officially met Mark's other personality, and the way Mark has described him it seems as if i don't want to meet him. It quite scares me actually, Mark has told me how a man once tried to rob from his home and his Dark side came out and nearly murdered the man. Beat him to near death and left him lying outside down the street. Mark did not leave him house for days after that, and that was only a year ago. Then again, Dark had only done it to protect their belongings, i suppose.

"Hey, (Y/N)! Your shift is up bud, head on home." Said Charles, my coworker.

Charles is older, more in his 50's. He tries to act cool, but yeah. He's silly. I throw on my coat which is a short soft black coat that has big buttons. I grab my bag and throw it over my shoulder. I head out of the building and into my car, I own a jeep Cherokee. I grab my keys out of my purse and put them into the lock of my car. I look down the street to see a figure that looks like Mark standing by the bus stop. He looks angry, his shoulders are bucked back and he looks stiff, I shook my head and stepped into my car. I start to drive toward my house which is in the opposite direction from the bus stop. As i'm driving my head starts throbbing, As i continue driving i start hearing deep laughter in my head.