Attack on Titan
Oc/Reader Is female.
She was an Eldian who lived On Marley with her Child
But after she broke the law by Killing an Marley solider who Violated/Assulted and killed her Child.
She was Sentenced To the Titan Injection.
She becomes A 15M Titan . (Either she is an Abnormal Titan who won't eat Humans and Has intelligence OR she becomes a Titan shifter who can't turn back.)
She Has lived for Hundreds of Years as she was Turned into a titan When marley first made and used the Titan injection for criminals.
She Becomes a Fake legend in the scout Regremends
As Scouts have been saved by her.
But every scout she ever saved was never believed as only they have had contact with her.
The reason she Helps the scouts and Other humans she comes across is that since she is taller than them from her perspective she sees Tiny figures and everytime she looks at humans they are replaced with her Child, Then her body moves on instinct doing what ever it can to protect her baby.
She made a nest out of a hollow tree that is big enough to fit her.
The nest is around 25M tall so she has to climb it to get in it.
And since her nest is high up other titans get get in it as they can't climb.
She has learned to cover her nape, as she notices that's how titans are killed.
She also fights Titans she comes across. She incasapets the Titans by ripping their arms and legs of then Stomping on their napes.
The scouts come across her when Levi is taken by her after she sees him In a lake.
She is exploring like she normally does when from her perspective Her Baby/Child is drowing in water. Her mother bear instincts kick in and she runs as fast as she can into the lake and scooping Her child up as gently as she can before she runs off back to her nest to keep her baby warm.
Levi was washing himself when all of a sudden he is being taken by a titan.
Since Levi was washing himself he has no weapons or the ODM gear.
He thinks he is going to be eaten so he tries to escape the titans hold but it just cups him in its hands so he can't escape he tries everything he can think of but nothing works.
He gets the surprise of his life when he is released from its hands he is in a Nest.
The bigger suprise comes next when it covers him with leaves before curling it body around him like a guard dog. ( you can change who was taken and when they were taken if you want but please keep everything else as close as possible to the original idea.)