Assassins Betrayal (Karma x reader) (Assassin Classroom X Black Butler)

PROLOGUE

3'rd person's pov.

It was the beginning of class and everyone was in their desginated seats waiting for koro-sensei to teach. Of course today was like any other day but today would be different.

This morning the school got word that a new student was going to be joining class-E but not because she had poor grades or they couldn't be Handled. . . . . . . Ok, that wasn't completely wrong. She was a pure born assassin and she wasn't afraid to show her dark side when nessesary, which was when people bullied the weaklings or she'd just beat up other gang members for fun or so people say.
Anyway enough about her. Time to go back to the story

"?????" Pov
"Argh. I'm finally done with this toublesome job. Oh well, it's good money and anyway I won't be here for long. I'm going to see my old friend." Said "?????" Stretching
"Yea. At least your getting paid a lot, and I understand why they pay so much with this job. I mean I wouldn't be able to kill just any body's life on a whim. Anyway who is this friend of yours I've been hearing so much about?" Said Lucy
"?????" Looked at her friend while cleaning and sharpening her weapons while Lucy cleaned her clothes.
"Ah, well it's quite easy to end someone's life, or 'kill' as you put it. I prefer the term cutting someone's cord without their permission, it eases the guilt, if you can put it that way." "?????" Looks down at her weapons and continues her job before continuing, "Anyway my friend isn't really. . . . Normal in a sense, but he is an awesome dude. He's the one that trained me in the ways of fighting. Even if I had tenticles I wouldn't be able to get him(See what I did there :} ) but he was a good teacher none the less. He helped me find myself. But at this point in time he needs my help."
"Ooooooooooooo. Romantic. Do I see a relationship brewing." Teased Lucy wriggling her eyebrows.
"NO!!!!!! Your misunderstanding. He's my sensei."
"It's like Romeo and Juliet. Both desperately wanting to be with each other but destined to be apart. It like the perfect sad love story."
"No!"
"Oh, so it's unrequited love. So sad." Lucy continued to tease.
"No. None of that crap. He's like family to me. Hell if anything he's like my brother. I feel a sense of foreboding. I need to get to Kunugigaoka Junior High School, now."
"Sure, leave me behind then." Lucy says bitterly
"Who says I'm leaving you, if anything I need your help even more. Remember our promise?" "?????" Said reassuringly
"Yea, I promise to fight with you, to force you to step outside of your comfort zone, I promise to tell you when you're making a mistake and then help you get out of it, I promise to remind you, always, that things could be worse, I promise to protect you from others and sometimes even from yourself, I promise to be there when you need me, to come running as fast as I can and to be with you in spirit, in person or on the phone, so you're never experiencing the tough stuff alone." Says Lucy raising one hand in the air and closing her eyes.
"?????" Closes her eyes remembering that day.

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AUTHOR'S NOTE.
This is my first story so pls be gentle. I didn't go through and proof read my first chapter and I'm sorry for any errors.
Thank you for reading, I appreciate that you took you time to read my little fanfic.
😉

~Kurosa