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"Oppa!" a girl with long red hair, wearing a flower dress ran towards a boy with blond hair, smiling happily.

"Sorry I'm late, did you wait for long?" She smiled happily.

"No, I just arrived I have something I want to tell you Shuchun". The boy looked at her without any emotions.

"We can talk about it while eating I'm soooo hungry and dad didn't let me off the hook and there was so many patients I had to attend to". Shuchun said looking at him still smiling, before he could say anything a girl came running towards them. She ran past Shuchun and jumped on Changming, kissing him passionately in front of Shuchun.

"Shuchun this is my fiancee, Bora, I'm breaking up with you". Changming said nonchalantly. Shuchun looked at the two of them and laughed coldly, at this moment she was emitting a murderous aura which made Changming scared a little. He was not too scared because he had known her for a long time but he never would have expected that this petite girl has a secret that would blow his mind, if only he knew he would have never messed with her.

"Are you really breaking up with me because of Bora?"

"Of course you are so dumb! We love each other and you were just a toy to play with". Bora said holding Changming tighter.

"FUCK OFF! I'm not talking to you".

"Don't talk to Bora like that! She's the love of my life and you were nothing to me!" Changming retorted pushing Shuchun.

"I never knew you two were so intimate and dared to boldly deceive me, you both are truly a match made in heaven, one is a player while the other a malicious cunning backstabber". She snared and laughed coldly.

"Shut your stupid mouth you bitch!" Bora yelled angrily.

"Is that your final answer?" She turned to Changming repeating her question.

"Yes".

"Then don't blame me for being ruthless". Immediately she finished, she smiled deviously and shot Changming straight to his heart and in his head. He fell on the ground lifeless, Bora wanted to scream but she stopped her.

"Have you ever heard of Nightmare?" She asked cleaning her gun and smiling slyly.

"You... You...are...nightmare!!" Bora exclaimed filled with shock and fear. At this moment, all the colours drained from her face, and she was so pale like a dead body.

"Wow I never knew you were this intelligent, do you know what I do to backstabbers?" Shuchun laughed coldly as she continued cleaning her gun delicately.

"No..." at this point Bora was so scared she peeled on herself.

"Do you know why they call me nightmare?" Shuchun asked moving closer to her.

"No..." Bora answers almost like a whisper.

"Well today you will find out". Shuchun moved so close to her and injected her with a syringe in her neck. Immediately, her face became paler than before.

"This is the famous silent killer, right now it's attacking your kidneys, it will destroy all your internal organs and your brain, without you feeling any pain and in ten minutes, you will die, it will kill you without a trace, how's that, do you love the way you die?". Bora looked at her with shock and fear. Immediately ten minutes reached, Bora fell down dead. Shuchun stood there with a very cold aura as she stared at the two of them lying dead on the ground.

"You bought this upon yourselves". With that she disappeared into thin air. Few minutes later, The news already spread about their death.

Shuchun sat lazily on her couch watching the news. Nobody would have ever imagined that the real nightmare was this girl. Remember the man, Gui who adopted her, well here's the story, he is an underground ruler and needed a test subject who just happened to be her. She went through series of test and experiment, before emerging as the number one world best assassin with code name 'Nightmare'. She was called nightmare because she was very vicious and killed ruthlessly, the unlucky people who gets a visit from her always face their worst nightmare, she is also the world best doctor, well that's just her disguise to cover up her real identity. Everyone knows that nobody messes with nightmare or you will forever regret it. One time a man actually sent some assassin to kill doctor Chun, but what he never knew was that the doctor was actually nightmare, the next day she mailed the heads of the assassin to the man with a message that he was next. The man was so scared and tried to hide but sadly no one can ever escape your worst 'Nightmare'.

She got up from the chair stretching before lazily going to the room, taking off her clothes and entering the shower. As she relaxed in the bathtub, she smiled coldly remembering the incident. Surprisingly, she didn't feel anything killing Changming, she actually thought she liked him then but oh well, guess she didn't. She even thought their death was too easy they should have suffered a little more. 'oh well that's in the past now'. She got out of the bathroom humming to herself, she sat down in front of her dressing mirror combing her hair, the dye has already been washed out revealing her long curly black hair. She smiled satisfied before dressing up.

Her phone suddenly started ringing. Immediately she heard the tune, she suddenly had a murderous aura as she picked the call and answer.

"Yes, I understand". She said before ending the call.