The scouts had a mission killing the Titans and they seen a little girl sitting right next to the tree hurt and Levi decided to bring her in because she can obviously get killed!

She was in a cell that’s what she can’t escape or hurt anyone Levi and hage where talking..

Levi: “Hange what are we gonna do with this child? We cannot take care of it We have other stuff to do”

Hange: “maybe we can send the kid off to somewhere like to the Royals?”

Levi rolled his eyes and gone to the cell