this is a story created by me. read and review!

Gunshots, blood, darkness, and screaming. Lots of screaming. That was all that I could remember from that night. The night where my life took a drastic change, turning me into the way I am now. Everything had happened so fast, that within the blink of an eye, they were gone. The ones who brought me up, the ones who were so close to me. Gone. Disappeared altogether with simply a few gunshots.
The screen on the computer flickered for a moment, before a hand reached out and touched it. A mechanical female voice, devoid of any emotion spoke a few words. Silence ensued. A sudden rustling of clothes, and the soft murmur of water running. “Understood,” a soft emotionless voice broke the silence in the otherwise quiet room. “I’ll finish him off quickly.”
My name is Aoki Shizuka, an assassin working for the government.
Every night, I leave the apartment, only to come back with my hands stained with blood in the morning. I donÂ’t attend school. ItÂ’s not important anyway. Besides, the whole nation regarded me as a prodigy; the teachers were nothing compared to me.
There was the click of a gun. Shizuka stared at it quietly, contemplating about the state of her life. Light filtered into the dark room suddenly, and she lifted her head up, spotting the small figure standing by the door, holding onto the door knob tightly.
“Risa? Shouldn’t you be asleep now?” Shizuka’s tone of speaking changed, becoming warm and soothing. The little girl ran into the room, and into the arms of the older girl. “Sister, please don’t go? I want you to stay here tonight,” Risa murmured, hugging her sister tightly and burying her face in the crook of Shizuka’s neck. The elder sister did not react immediately, but allowed herself to indulge in the moment of sisterly love, something that she had lost, a decade back.
Shizuka rested a hand on Risa’s soft brown hair. “Risa, love, I’ve got to go. I’ll be back soon, alright?” The little girl stubbornly shook her head. She knew her sister left every night to do something, but every time she came back, she always seemed… troubled. Almost as if death was upon her.
Aoki Risa. Brown hair and dark eyes. Not my blood sister. My hairÂ’s blonde, and I have sea blue eyes, not dark ones. The difference is plain to see. BesidesÂ… Risa came from a person whom I see every nightÂ… When I too met herÂ…
Shizuka leapt from rooftop to rooftop, completely undetected by anyone. It was midnight, and she had made Risa go to bed before she left. That girlÂ… It was only a matter of time before the truth had to be said. And when that happened, it was going to hurt the both of them.
Upon reaching her destination, Shizuka frowned. This quarter of the town. It was not very safe, and the people lurking in every dark corner were not happy customers either. She would have to be careful.
Minutes later, covered in blood and bearing some bruises, Shizuka had taken care of her target. Gripping her bruised arm lightly, she made her way back home, the same way she had come.