New Angel of death, (Aot x Titanshifter! Reader)

~Part 1/Were it all began~

NOBODY'S POV

It was a beautiful day outside. The sun was shining and the birds were flying. But...they didn't see the world. This is wall rose and there is millions of people living inside. This is a story about a girl name Y/N, L/N. Listen up and stay to see what happens....

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Y/N POV

My eyes slowly opened as I adjust the brightness that was coming through my bedroom window. When I did adjust to the light and fully opened my eyes I got up and got dressed.

"I have a head ach..." I said sadly as I went to the bathroom to wash my face. I then did my hair. If you guys didn't know already, my name is Y/N, Y/N L/N. I'm the daughter of F/N, L/N. He is my father and the first humanity greatest person ever! 

I then went out of the bathroom and went downstairs to see my mother and little brother. He was still a little kid. He then spotted me which made me smile.

"BIG SISSY!!!" He yelled out as he got up and ran over to me. My arms were open as he flew into my arms. 

"Morning Toshiro!" I said as I picked him up. He was still light as a feather. I mean he was only three.

"Morning honey!" My mum said as I walked up to her with Toshiro in my hands and kissed her on the cheek.

"Morning mum! I'm gonna go hang outside okay?" I asked mum as I put down Toshiro. He looked sad.

"Sissy not gonna play with Toshiro...?" Toshiro said sadly as I looked at him and crotch down to is level.

"Its okay Toshiro, I'll be back before you know it!" I said as I booped him on the nose. He giggled while rubbing his nose gently. I then went to grabbed my shoes which was in front of the door.

"I'll be with Eren and the others mum!" I said as I opened the front door.

"Okay! Be careful sweetie!" She yelled out as I waved goodbye and went outside.

My house wasn't that far away from Erens house. But I am kinda close to Armins house. If you don't know who they are, they are my best friends! I met them awhile ago, when Toshiro wasn't even born!  There's also Mikasa. She's quiet and hates other people when they hurt Eren and Armin cause I'm strong enough to kick there butt! Anyways, I wasn't able to find Eren or Mikasa. But what I saw was terrible. Armin was getting bullied again, so I slowly walked over to them.

"Wheres the sacrilege now huh? Or is your philosophy say its wrong to fight back to?" The bully said as he slammed Armin into a wall. It made my blood boiled.

"As a matter of fact it does! I rather take a few lumps and brawl like a beast!" Armin said which made me smile but yet frown. How dare they pick on him!

"Oh so now I'm a beast?!"

"Take a good, hard look at yourself and tell me your not acting like one. You resort to violence because your brain is the size of a walnut!" Armin yelled which made the bully even more pissed off.

"So pummel me all you want, I've already won!" Armin said as the bully was about to punch him.

"Well you know what? I'm a sore loser!!" The bully said as I rushed in.

"YOU BETTER GET YOUR FILTHY HANDS AWAY FROM HIM!!!" I yelled as I ran towards him. He smirked.

"Aw~ Does kitten wan't to play~?" He said as my blood boiled more. I didn't realized  that Eren and Mikasa was right behind me.

"What the hell did you call me!?" I yelled as I kicked him in the stomach, making him let go of Armin. I held Armin close.

"O-Ow!"