Four Years Ago
Y/n was staying at the station late, on guard for the night. She walked down the halls and was alert for any movements and sounds. Usually the job was pretty uneventful, but important. There was a lab at government headquarters and it needed to be protected at all costs. This was Y/n's main focus that night.
Y/n was eighteen years old and she had this long, dark hair that was tied up into a ponytail. She wore a black long-sleeved shirt and some gray sweatpants that night. Although she was young, she had great experience and her gift made her a strong fighter. Cut Throat was its name: without any blade, she could slice anything up.
She then heard a window open up in the lab and quickly rushed over. Y/n kicked the door down and scanned the room before she saw two individuals looking for something. They hadn't noticed Y/n standing there yet. One of the men were taller than her and the other one...noticeably shorter than her. She used her gift on the shorter man and cut the top of his glove. This caused both men to turn around and face Y/n. Dazai Osamu and Chuuya Nakahara stood in front of Y/n. They were partners in the Port Mafia and they could never be up to anything good.
"Should I take care of her?" Chuuya asked Dazai while cracking his knuckles. "There's no need for that, and it would cause a commotion" Dazai said to his partner with a sadistic smile on his face. Y/n was more than aware of what Dazai could do, but a walking mummy with no will to live didn't scare her. "Wanna do this with or without our gifts?" Y/n asked Dazai. "You think you can take me without Cut Throat?" Dazai provoked her. "Any day" there was no hesitation from Y/n.
Chuuya took a few steps back and both Y/n and Dazai took their stances. "Ladies first" Dazai said. "Such a gentleman" Y/n said before swinging a strong right hook that knocked down Dazai. He held onto his jaw and then pulled Y/n by the ankle. He tried getting on top of her, but she pushed him off and head-butted him. Dazai's nose started bleeding, he looked over at Chuuya. "Don't just stand there, look for it!" he yelled at his partner. Dazai looked back at Y/n. "Take-back now?" he asked. "Try it I dare you" Y/n said, her voice getting serious.
Dazai grabbed her by the shirt and tossed her into a counter. She went stomach first into the counter and started coughing. "Asshole" she said under her breath. Dazai pulled her again and tried tossing her again, but she grabbed a beaker and broke it over his head. "Not very lady-like" Dazai said to her. "Not many gentlemen would toss a lady around like that" Y/n said. She threw a feint punch that Dazai dodged and grabbed something from behind him. Dazai got an idea as Y/n was stretched over him, he picked her up by the waist and threw the girl over his head. Y/n landed in an uncomfortable position and got up quickly.
The object that Y/n had gotten was a yardstick and she was getting creative. She swung it around like a bo staff and got a few good hits, then Dazai pulled the yardstick. Y/n was inching closer and closer to him with no escape. Once she was in his reach, Dazai turned her so her back was pressed against his body. His arms wrapped around Y/n as she squirmed. "Still refuse to use your gift?" Dazai asked. Y/n somehow got a little lose and elbowed him in the face. He finally let go of her and Y/n watched Dazai wince in pain. She had a smile on her face.
Y/n grabbed Dazai by the jacket and tossed him just as he did her. He was lying on the floor and he was barely moving. She kneeled down to his level and said, "you see, I can beat you without any enhancements". Just out of spite, Dazai sprang back up and grabbed Y/n by the neck and slammed her down on a table. She grabbed his wrist and tried to break free of his grip, but he was stronger than her. Dazai got close to Y/n, "You can't beat me...I know you're trying to use your gift now. No matter how hard you try, it'll be useless" he had a sinister smile.
As Y/n was slammed onto the table, she knew Dazai had nothing but bad intentions. He grabbed a liquid and poured it on Y/n. It landed on the right side of her chest and ran down her arm. It was one of the most painful sensations the girl had ever experienced in her life, but she didn't let her weakness get in her way. Instead, she wrapped her legs around his waist and pushed off from the table. She landed on him, but quickly got up.
She was still in a lot of pain. "What did you do?" she yelled. "I put you in your place" he replied. Y/n was fighting so many urges, but got up calmly and grabbed something from the cabinet. She tossed it on the floor and red flames started to form. "Oi let's get out of here you idiot!" Chuuya yelled at Dazai. The flames caused Y/n's skin to get more irritated. Once Chuuya and Dazai made their escape through the window, she put out the fire and tore the sleeve to her shirt. A scar was already forming and her skin was raising. Y/n ran her finger across the scar and realized that the skin was burnt and the scar was most likely permanent because of the substance Dazai put on her.
Y/n leaned on the wall and slowly sank down to the ground. I'm going to kill Dazai Osamu, Y/n thought to herself. That day was when Dazai became the enemy that she vowed to kill.
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I'll Kill You.
FanfictionBack in the Port Mafia days, Y/n tried to kill Dazai on the behalf of the government but she failed. He left her permanently scarred and to this day she still holds a grudge against him. One day she has to work with the Armed Detective Agency and sh...