Double Black is Back

Harry Potter - J. K. Rowling 文豪ストレイドッグス | Bungou Stray Dogs
M/M
G
Double Black is Back
Summary
Dazai Osamu was with the port mafia until he was 18 and then joined the armed detective agency. Before all of that, he went to a magical school, Hogwarts. He had to learn to navigate through his time at Hogwarts. The summer before his third year, Chuuya Nakahara joined the port. Mori decided that he should send Chuuya with Dazai. Dazai didn't know that Chuuya was actually going to be some pureblood wizard prodigy, and neither did Chuuya. Dazai and Chuuya went to Hogwarts until their 5th year, they were 16. They worked together in the port for another year before Dazai proposed. A year later, Dazai left. The Mafia heard of his return around 4 years later. He has been working in the ADA. Dazai and Chuuya are 26 now. They live together and are secretly married, but haven't worked together since they were 22. Now, Fukuzawa and Mori are saying they need to work together again? What happens when Dazai gets a little bit too comfortable with killing again? What about when Mori dies, accidentally? I wonder what happens when Dazai Fucking Osamu takes over his position, AND has to take care of Q in Mori's place. Lastly, what happens when Chuuya Nakahara almost dies?!
Note
⚠️ Warnings ⚠️-Pedophelia-Gorey Descriptions-Grooming
All Chapters

Chapter 4

It has been a week since Chuuya joined the port, it hasn't been too crazy yet, but it has only been seven days. Chuuya has been placed under Kouyou care, Mori's order, and has been cleaned up and even given money (It was more money than Dazai lives off of!) That morning, Mori had called them both to his office.

"Chuuya, Dazai-kun, I have decided to pair you guys up for this mission," Mori told them.

"What!? Why him!?" Chuuya belted out.

"Hey, you can't talk about me like that, you're MY dog!" Dazai retorted.

"Doesn't matter if you want to or not, here is the file, get it don't," More demanded.

As Dazai and Chuuya were walking out, Chuuya heard Dazai mutter, "Damn Mori, always up to something!"

After Dazai and Chuuya read the mission file, Dazai came up with a plan and him and Chuuya easily wiped the organization out. When Mori found out his pairing succeeded, he knew it would, he called them back into his office.

"Dazai, Hogwarts starts in a month, and I want to send Chuuya with you," Mori told them, in an unusually excited voice.

"What? It is the third year, how the fuck do you expect Chuuya to get into Hogwarts!" Dazai screamed back at him. Chuuya was so lost.

"What the hell is Hogwarts? Are the years important? What is going on!?" Chuuya also yelled out, but got ignored.

"Actually, Dazai-kun, Chuuya happens to be a pure blood. He, of course, doesn't remember. However, he was raised by his parents for the first five years of his life, they raised him to be a wizard. He was brought up around magic!" Mori frantically told them.

"What the actual fuck do you mean by wizard! Someone answer me!" Chuuya once again was ignored.

"Wait, so you're telling me that Chuuya is a pure blood? Draco will actually tolerate him?" Dazai said, surprised.

"I do believe so, I hope it works out. He should be good at magic, it will hopefully come natural to him. He is believed to be dead, but we need to prove that he is alive so we can send him with you. His parents have been in a coma, they encountered Voldemort a year after Chuuya went missing," Mori explained.

"So what is the plan for this year, what is my mission?" Dazai asked, processing all the information he was just given.

"You know I can't tell you that, Shuuji," Mori said.

"Stop calling me that, you asshole," Dazai complained.

"Wait, wait, wait, tell me what is going on, right fucking now!" Chuuya screamed.

"Calm down, damn dog," Dazai demanded.

"I'm not your shitty dog!" Chuuya reminded.

"Calm down, both of you. Chuuya, you are joining Dazai in school this year. You are going to Hogwarts school of witchcraft and wizardy," Mori told Chuuya.

Dazai put his arm around Chuuya's shoulder and whispered in his year, "We are going to be with each other, 24/7, for days after days, weeks after weeks. You are going to do all my work for me and learn so many spells. I can't wait Chuu! We will be best friends forever!"

"Wizardry isn't real, I don't have a clue what you guys are talking about!" Chuuya yelled at them. "You, you, you delusional psychos!"...

Is what Chuuya said BEFORE Dazai blew up the light.

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