The Unresolved Fiend [AOT FANFIC] (Levi x OC)

Chapter one

"Oi! Eren!" a cold voice called out

"Hei-" Eren was about to sallute when Levi interrupted him

"Where the fuck is shitty glasses?!" his voice was colder than usual considerring the fact that his face was seething with rage.

"H-heichou! Major Hanji has been missing since yesterday! her whereabouts are still unknown but she left a note sir!"

"Wheres the fucking note brat?!"

"R-Right here corporal!" Eren pulled out a crumpled scratch paper. Levi snatched it out of his grasp. "I was about to report it to the commander but-" Eren blinked to see that the raven haired man disappeared.

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"Dear Survey Corps" Levi began.

' Don't bother looking for me ... i found something interesting and ill be back tomorrow about noon..."

"PS: I took a few soldiers to go with me"

" -Hanji. "

"smells like trouble" Mike sniffed. Levi furiously reported the letter to the commander who was discussing something important with Mike in his office earlier. Hanji was supposed to finish the papers Levi gave her last week today but Hanji miraculously disappeared delaying Levi to finish his work.

"Tch..Shitty glasses was supposed to finish those fucking papers today"

"Levi calm down.. she might have figure out something useful about the titans." Erwin said

"Last time shitty glasses went missing for 5 consecutive days only to find out she went outside the walls to know how the titans position themselves in sleeping to win a bet she and moblit made"

"At least we know how they sleep now" Erwin chuckled. Levi clicked his tongue

Mike suddenly grabbed Erwin's hand quite violently.

"Erwin" he began "It smells like something bad is gonna happen...something that includes the dead"

A loud bang came from the door.

Mike opened the door to find a crazy Hanji with crazy news to tell.

"GUYS! I MIGHT AS WELL FOUND A SOLUTION TO THE TITANS!" Erwin smirked at Levi

"Told ya"

Levi clicked his tongue in annoyance "Spit it out shitty glasses you still have to finish some paperworks"

"So..I came across this book in my drawer which a friend of mine entrusted it to me before he died and found something interesting...It was a book about mystical creatures ..one caught my eye it was a demon! but it was separate from the other catagories of demons! then legend says if you summon one you can make a pact and it will grant your wishes inexchange for your soul... unfortunately the book said it was last seen about a century ago..I decided to try to summon it but failed so I made more research and gathered up some materials-"

"You want us to help in summoning it dont you?" Levi interrupted her

"Bingo!~" she snapped her fingers

"I dont think we should summon it" Mike said

"Why not?!" Hanji whined like a child begging for a lolipop.

"Instincts"

"But if we did we may or may not save humanity in one go"

"Hanji DOES have a point" Erwin said scratching his chin.

"So what do you need us to do Hanji?" Erwin asked leaving the two other men in complete shock

"Yahoo!~" she jumped for joy "Lets get started shall we?" Hanji said leading the others to the basement where Moblit,Eren,Mikasa, Armin, and two other soldiers were there preparing candles and sketching out something in the floor with chalk. It was like a big irregular star in a circle with other details on it.

"Okay wear these" Hanji gave them some black coats "And also sprinkle some of those powders on the your heads" she said giving them some peculiar looking powder.

They did what she told them to. After a few minutes of preparation they were ready to begin.

"Okay now everyone sit down and form a circle with those lines as a guide...join hands with the person beside you and chant 'demon! demon!
we command you to show yourself! we offer our souls in exchange for our wishes to come true..here our command and appear to us' " Hanji said while placing some things in an altar looking table in the middle of the room.

"Hanji-san?" Eren asked

"Yeah?"

"what are those?" Eren pointed out the things Hanji was placing.

"uhh...things for the demon to show up?...okay now lets all start!"

They formed a circle joined hands and began chanting.
they chanted for nearly thirty minutes with nothing still happening.

"Shitty glasses the thing is not real lets stop this bullshit already"

"NOO!!"
Hanji said accidentally knocking Armin hard. Armin tripped and accidently fell on the altar looking table making the chemicals and offerings mix together.

"NOOOO!" hanji screamed again.

"Aww!...i cant stand up!"

Armin was bleeding because of the shattered glass. Erwin ordered Hanji to stop the experiment because he concluded it was all a fairytale. He told Mikasa to find the nurse quickly to attend on Armin's injury.

"Holy wall maria! what happened here?!" the nurse said in complete shock

"A little accident..." hanji said

"I wouldnt call it 'little' four eyes.. now Arlert is injured because of this stupid idea" the nurse head towards Armin and examined him.

"Can you call someone to get the wheelchair?"

"I already did "Mikasa said as Jean and Connie entered with a wheel chair. They placed Armin gently just when they were about to leave Connie noticed a little blue paper which he assume belongs to hanji.
" hey..what this?" he picked it up and started reading it." demon! demon!
we command you to show yourself! we offer our souls in exchange for our wishes to come true..here our command and appear to us'..whats thi-"

Before he could finish his sentence a large bang came from the middle of the room . Smoke was everywhere making it hard for everyone to see and breath. luckily Moblit found the door and opened it. The smoke began to lift up and to their surprise, there was a girl about the age of 17 in the middle of the room. She had red hair which was let down but a little portion on her right side of the head was tied into a small bun. she wore a black seductive dress which shows too much of the skin and was decorated with black and white gems. It
was strapless, backless and reached only up to her thighs and at the end it was ripped.she also wore black high heels with black jewels. she has small black horns on her head a black devil tail and black devil wings. she was indeed gorgeous but she wore a pissed face.

Silence filled the room leaving everyone in utter shock

"It's real....it really is!"
Hanji jumped for joy

"Of course I am shit head!" the girl replied

"Yahoo!" she screamed jumping as if to reach something..

The girl looked at her more pissed.

"You shitty humans made me wait for a fucking century and 30 years and this is the results?! Sure im not fucking trapped anymore but my magic is still fucking sealed!"

"May I ask what is your name?'
Erwin asked

"Call me 'A' " she said

"Well.. A ... My name is Erwin Smith.. I am the commander if the survey corps.. I wish to make a pact with you."

"HEY! i was the one who was supposed to make a pact!" Hanji shouted

"Fi-"

"Sorry bitches!"

Every one looked at her confused.

"I fucking cant"