Hope you don't mind this.
Character Bio:
Name: Atsuki Saijo (The kind half) & Akira Saijo (The evil half)
Age: 23 (Hasn't aged since then, so technically Age: ???.)
Height: 6'1"
Looks:

Desc[injection]ription: He has dual personalities. His calm side which one knows when he has crimson eyes and black hair. His dark, evil personality has silvery, grey eyes and pure white hair. The kind one is always fighting to stay in control, but for a short while now, the evil one has been in a dormant type of state. Many have died at the hands of the evil one, but the kind one had been showing, so he is blamed for all those deaths. No one, but him, know of the evil one. The kind one hopes to one day tame the evil one, or at least find someone who can.
Desc[injection]ription Update: They once were one mind, but when a curse was placed on them, their minds split into two separate beings. They don't completely understand it or why they are two minds, one body. They hope to one day figure this out. Here is what they looked like as one being.

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Chapter 1: A Chance Meeting
I looked up at the setting sun from where I stood overlooking the sea.
The sun reflected in my crimson eyes as I wondered why I continued to
live...why I fought to stay alive. No one cared if I lived or not.
Everyone thought of me as a monster and always tried to find ways to
end me. I was a monster...a killer. I had no home or family to call
my own. I just wandered from place to place, searching for my reason
to live.
My short, black hair ruffling in the slight breeze, as I closed my eyes
as those thoughts turned to thoughts of what I was. That too I did
not know for sure, though I search continuously for the answer to
that as well. Deep down I fear that I will fail in finding those
answers.
My eyes shot open as I heard a twig snap behind me, and I turned around,
moving into a fighting stance. There stood a young woman of
twenty-three years. I slowly relaxed, but I did not let my guard
down. She smiled at me and my eyes widened in shock. Was she not
afraid of me? Everyone else in the world does, so why not her?
“Why are you here all alone?” She asked. The sun shone in her silver
like hair, making it appear as if it were touched with fire. The
breeze made it appear that way even more as it blew through her hair.
Her bright blue eyes blazed and her slim figure was wrapped by a
lavender dress that appeared as if it were made of silk. She was
truly beautiful in my eyes.
“Because I am alone.” Was all I said in reply to her question, amazed by
her lack of fear or hatred. I had never met anyone like her before
and I was amazed. Had I finally met an angel? I knew not, yet I was
already glad to have met this woman.
Her eyes widened as she knew exactly what I met by what I had said. “But
why are you alone? Why do you have no one as a companion? Why do
you not have someone who cares for you?” She asked in both
confusion and wonderment.
“I'm a monster.” Again was all I said in reply not feeling a need to go
into detail.
“Why do you think your a monster?” She asked genuinely confused.
“Because I'm a killer.” I tilted my head wondering why she was asking me
all these questions and wondering why I was even bothering to reply.
“Being a killer does not mean your a monster.” My eyes widened in shock
at what she said. A killer not a monster? Was she messed up in the
head? “Have you ever stepped on a bug or squashed one so that it
died?” I nodded. “Precisely. Everyone has done just that and
that means everyone is a killer since they have killed. They may
never have killed another human being or an animal but a bug is a
living thing. Do you see what I'm getting at?"
“I guess I see what you mean.” I replied tilting my head slightly to
the other side, rubbing the back of my head as I did so, trying to
grasp what she was saying. Everyone is a killer? That does not make
them a monster? But why? I shook my head not completely
understanding, but not wanting to think about it any longer.
I looked again into the woman's bright blue eyes and wondered who she
was and why was she not afraid of me. She only smiled and waited for
me to take the initiative of making conversation. I wasn't sure what
to say, but before I could stop my self I asked a dumb question.
“Are you an angel?"
The woman giggled, blushing cutely. “No...I'm I really that pretty?”
She grinned and did a little twirl of joy, which of course made me
smile. To me that smile was the first I had ever had.
“Your not pretty, you're beautiful. So beautiful that it's like heaven
sent down a piece of itself...a star in this dark world.” I hung
my head embarrassed that I was saying such things. This was so
unlike me. I was talking to someone and they to me. The only time
anyone said anything to me was when they were calling me, 'Monster!
Murderer! Satan Spawn!' and a number of other things. So why was it
that now there was someone who did not say anything like
that...someone who actually seemed to care about me.
The woman beamed happily. “Thank you! No one has ever said that I was
beautiful. They've just told me that I was really pretty.” I
looked up at her and smiled. She laughed and moved towards me. I
instantly moved back into the defensive as a response. She stopped
her advance and waited for me to relax. “I'm sorry. I should not
have moved so suddenly.” I could feel that she was upset as well
as see it in her eyes. To me she appeared about to cry.
“No it's alright. It's not your fault. You didn't know that I don't
like sudden movements.” I hurriedly told her not wanting her to be
upset. I relaxed myself and smiled at her, trying to make her feel
better. I slowly approached her and gently placed a hand on her
shoulder, giving it a little squeeze of reassurance. “Don't worry
about it."
She looked up at me and gave a small smile. There was a tear on her
cheek which I wiped away. Her smile grew in response. “You're not
mad at me?” She asked her voice quivering slightly. I shook my
head.
“Of course I'm not mad. How could anyone stay mad at you? You're to
beautiful and kind heart-ed. If there was anyone who remained mad at
you, I would would say they were evil and I would get rid of them for
you.” I continued to smile at her not wanting her to cry. She was
about to I could tell by how much her voice quivered. She truly was
afraid of making me mad...but why? Was she that nice and did not
want to make anyone mad in general? That seemed about right for how
her personality came across to me.
She hugged me and buried her face against my chest, her body shaking. I
could tell that she was crying now and man, that was what I was
trying to avoid. “Thank you for...not being mad at me.” She
whispered, her face still buried against my chest as she cried for a
little longer then stepped back from me. Her face breaking out into
a large smile once more.
I nodded before moving to stand next to her and watched the sun once
more as it finally set and night took over the land. “I should
take you home...wherever that is.” I said as I looked over at her.
“By the way...Why are you here all alone?” She grinned at me
and said nothing for a moment. “Because I snuck out of the house."
She finally replied giggling like a little girl who had done something
she was not supposed to have done. I could not help but laugh. I
don't know what's wrong with me, but since I have met her I have
smiled and laughed. I feel comfortable with her, which I have never
been able to do before. “Where do you live?” I asked hoping she
would answer, though I doubted it if what she said was true. If her
family found out she was gone she would be in a lot of trouble since
she had left without permission.
She shook her head and giggled again, still saying nothing. I sighed. "You really are childish, you know that?" She nodded grinning. Again I sighed and shook my head.
(And don't worry, I think I'm going to kill her off here before long XD. I am so cruel.)