Raised by the enemy ( AOT x reader)

"TREE what happened?"

"He's gone."

"Who?"

"Marco."

"What do you mean he's gone.... TREE what did you do??"

Y/N was Marcos younger sister. They were separated when the titans got through the wall. Y/N was taken by and abnormal. Yet it never harmed her . It took care of her. TREE she named it. Over the years she got close to TREE she though of him as her father...

Until he did the unforgivable..

(Multiple x reader)