This one shot particularly about love triangle between Petra x levi x Hanji, and Petra feel nothing compare with the bond between her superiors 

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Being chose as one of the member of Humanity's Strongest squad was beyond her wildest dream ever since she devoted her heart for humanity with the survey corps. All her training, dedication, and skills finally recognized by the surprisingly short captain who is just 2 cm taller than her. Yet she always looked up to him to prove herself that she is worth being chosen.

As the times goes by, many expeditions they survived together, all bloods and tears made her stronger than ever. But sometimes she broke down having hard time to take all the burden of lost comrades here and there, she is just a human before a soldier. And she is just a woman.

But somehow he always been there for her to back her up again, whether it's outside the wall or inside the wall. His words of couragement always brings her back again no matter how hard it was. Many conversation just between the two of them by midnight whenever he was trying to finish his paperwork, she always tried to help him followed by her warm scented tea.

After months like that, she began to know many things about him. He also knew many things about her in return. He hesitated when he was about to talk about himself, but eventually he was glad that she was the only person he could trust with his story.

Petra Ral felt special. Every occassion with her captain was like a blink of pure bliss in this merciless world. She wanted to believe that she is special , "It it too much to ask?" it was all she thought. And somehow that admiration slowly turned into love. Love that she could never asked for.

But her captain is a man with few words, you never know what's actually going on in his head and what he meant behind those stoic face with stormy eyes he had. Soon she began to forget about her feelings. She felt enough.

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"AURUO DON'T KILL !!!!"

"Eh ? " *gripped* " AAARRGGHHH...!!"

"Petra ! you cut the hand, I go for the nape!"

"Yes sir!"

*SLAMMM*

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"WHAT THE HELL WERE YOU THINKING SHITTY GLASSES ??!! YOU COULD HAVE DIED!!" The raven haired man gripped the taller woman's collar hard , itching for answers

"We need to catch it for experiments L-Levi...he..ehehe.." She laughed nerveously

"DON'T MAKE THE OTHER WORRIED THEN IF YOU ARE SO WILLING TO BE TITAN'S FOOD" He snapped

"Titan..don't have digestive system though..hehe..ehehe..." he released her hard on the ground

"Fuck this Hanji, don't make me worry to save your ass again tch.." He kept staring at her.

Petra stood not far from her superiors while the other member saved Auruo from the titan's hand earlier. His captain expression surprised her. It was different than any other expression she had ever seen. Did she just saw a pure concerned face ? and out of nowhere her heart felt sinking as she looked down on the ground.

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On the night before the 57th expedition, she was ready to bring nice warm teapot with 2 empty glasses on a tray for him and herself and headed to her captain's room. She was thinking about having deep conversation with her captain like they always did before expedition just in case if it was the last time they did.

She forgot to knock before since Levi said that it was fine if it was her. She slowly opened the door.

"It's Petra Sir, i come to bring some te-" She was surprised by another person who was in his room across his desk not in uniform since everyone was already on their night clothings.

"Ooohh Petra, that's so nice of you to bring tea for us" The Brunette turned her head back to see her.

It was Hanji, if anyone else had access to the captain's personal space must be the veterans. How come she forgot that, but she didn't expect anyone would visit his room that late night when they weren't in work hours.

"Ah..! I didn't expect you in here Hanji-san,, umm here's the tea for both of you hehe.." She nerveously smiled and served the tea to both of them

"Ahh thankyou so much Petra , you may leave then" She grinned

"Oi Hanji, i think she needs to stay, Petra you may sit" He glared at the glasses woman

"Levi, she can't.. please let us alone Petra" A few seconds of silence was deafning, the man didn't say any words next.

"Um.. I'll just leave then..sorry to bother you two.." She smiled again

She wasn't so sure at first but eventually she closed the door behind her again. She was wondering about what they were talking about, but guilty feeling came to her soon to find that it was something unappropriate to do and went back again to her room.

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No matter how hard she thought about it. Now she just realized how actually close her captain and Hanji are. She was too focused on herself with him until she barely recognized what happened around herself. It wasn't just after the Ilse's Lagnar Notebook accident that almost cost Hanji's life. But far before that , even when she was new in the corps, she already witness the bond between the short man and the taller woman.

The time when she occasionally seen Hanji put her arms casually on the stoic man's shoulder and made fun of him. But somehow he never seems to hate it at all, just slight grumpyness like he always did. Besides, they were close in age with Hanji a bit younger, she thought.

She went on her bed thinking of many possibilities between their relationship as a comrade for so many years compared to her with him. How fool she thought herself was special these past months, she is just his subordinate who is under his direct command and he needed to be nice to all of the member. She is nothing special.

Thinking about it just made her feel smaller than ever again, She felt hurt inside her chest

"What is this feeling.....jealousy...? haha..ha..." She laughed at herself covering her face with the pillow.

She knew she had no rights to feel any of that feeling. Even Love above all. But what if tomorrow was the last day of her, would she never ever had a chance to tell her feelings at all?

Her head felt dizzy of overthinking. She got up from her bed and went to the kitchen for some water only to found the woman responsible for her awful feeling right now. Yet she knew she couldn't blame her at all.

"Oh Petra, you still haven't slept yet ?" Hanji was pouring some water to her glass

"Hanji-san.. Did you just exited Heichou's room?" She carefully asked

"Yes I did, just came down again here before sleeping..come sit" She grinned and brought the pitcher to the desk , pouring some for the strawberry blonde who approached the dining table

"Um..Hanji-san, Permission to speak freely."

"Permission granted, what is it Petra..?"

"Excuse me if i'm rude, but..what were you talking about with Heichou? " She looked curious, She caught her wide eyes

"Ah...It's nothing... Please don't ask hehe..." She smiled. A slight of dissapointment was clear on the younger one.

"Is that so... um, then.. may I know some of Heichou backstories since I'm sure that you know him well buntaichou" She tried her best to smile

"Ehh,, why you want to know Petra " She was surprised out of the blue

"I realize that I've been under his direct command for months but it seems that I still didn't know much about him hehe..And.. oh how can you be so carefree around him , I'm so amazed Hanji-san ! Like..um.. We couldn't even make any joke with him nor erase his grumpy face at all hahaha" She explained

"Oh that... hahaha.. I don't know either but i just love to make fun of him until he is tired and just accept my blabbers hahaha" She laughed hard but not too loud for the others to wake up.

She began to talk many things about Levi, from the times before Petra got into the military. About his hard times having his both dear friends killed on his first expedition and more about his backstory. It made her realize just how little she knew about him compared with Hanji. And how she looked very happy to talk about him.

She couldn't take it anymore, Her heart kept thorned bit by bit, She felt bad. But she couldn't blame her. She just needed answer .

"Hanji-san.. Do you like Levi Heichou...?" She carefully asked out of the blue, The whacky woman's eyes widened at the sudden question

"...What you mean Petra..? Of course I do like hi-"

"As a man. Do you like him as a man ?" She glanced down founding her voice sound offensive.

"Ah...that....um....well......" She looked away. It was enough as an answer she thought

"I See... please excuse me.." She stood up from her chair ready to exited herself

"Petra wait..!" She followed her and caught her arm

"no..you don't have to tell me Hanji-san.. I'm sorry for asking.. please let me go" Her voice getting weaker as she felt a single tear fell down

"Petra..I can't deny it... But please listen... All i can say to you is that.. no matter what.. He will always priotized you and protect you.. Will you believe that ..?" She hugged her petite body from behind.

They were kept on silence for few seconds . She knew she was right, she knew that there is no way she could blame them. She was just too stupid to think that way before.

She wiped her eyes away facing the Brunette again. She put her best smile once again

"You are right ..I'm sorry Hanji-san, thankyou for telling me that, and please don't worry about me... Someday you just have to tell him your feelings before it's too late hehe"

"Eh?" The petite woman saluted and quickly dashed out to her room again.

Once she closed her door, she fell down to the floor burrying her face onto her knees and began to cry. She felt insignificant despite everything that ever happened. She is nothing than just a subordinate he needs to be nice with.

Realizing that she might never had a chance to tell her feelings. She went to her desk and began to write letters.

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(The day after the 57th expedition)

Hanji never seen him that broken and fragile before in her life. His squad death and Petra's death affected him so much in past few days. He didn't even come outside his room nor talking to other people for the past few weeks. He got injured and was freed from military activities for a while.

The only time he went outdise was when he visited Their graves in Sina. Common people don't have any graves since they burned the body and throw the ashes to the river. But that's an execption for fallen soldiers especially like survey corps's special operation squad where they got their down grave as a memoir.

But what was more depressing is the fact that there were actually no body burried bellow the tombstone...

Hanji was just arrived when she saw that Levi was already there from a far kneeling down on Petra's grave with new fresh Lilies, Chrysanthemums, and Iris bouquets, Flowers that she always love with the same color as her honey colored eyes they could never see again.

She approached him slowly realizing that the man was just crying. But she didn't dare to ask further. Something about his behavior in the past few weeks made her wonder. As she began to questioned herself about him.

And she finally understand.

"Seems like you have to deal with my shitty coffee and tea huh..." She joke

"...oh it's you.." He covered his eyes, voice shaken

"Levi...I'm sorry..."

"What for...?"

"We should've told her that night about the operation.. About Erwin's gut.. about shifter that may appear to hunt Eren down... We should have....I'm sorry...Levi...I'm sorry.." She stood next to him feeling even more guiltier.

"Stop..it Hanji.." He stood up

"Just...stop it already.....I'm leaving now.." He began to walked away from her

"Levi..!" She called not facing him , He turned his back

"Do you love her...?" She asked in low voice. But she knew that he heard it.

That question stung his chest inside so bad, he just wanted to go. He began to walk away

"Forgodsake Levi... Do you love her..?!" She turned her back to see the man stopped his track. He lowered his head clenching his grip.

"For Petra..Please.." She pleaded to him

"I do.." and then he left .

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Satisfied with the man's answer , she turned back to face the grave. She kneeled down.

"You hear that Petra..? He loves you all the way since the beginning. I actually kinda realize his feelings too since you were on the squad.. He already looked up on you since your first day actually.. So ..you are wrong..if you think that he likes someone so crazy like me..ahaha...."

She stood up prepared to leave

"I'm sorry i didn't say it earlier to you... But since now we both know his true feelings.... I will never change that fact.. ever... I hope you rest well.."

The wind blowed hard as the afternoon skies began to turned darker. Somehow she felt that it was the right thing to do. She made a decision not to spoil their relationship ever. 

Because it's not her that made Levi found reason to fight again. It's not her to make Levi felt human again in this merciless world . It was her that made him feel love. It was Petra all along even if she was no longer there. He will never let her die in vain. 

And She never been insignificant to anyone.. To her.. To him... Never..

And She respect them.