Yyou are Levi's child and you didn't get along with your father and maybe it was a mixture with imposter syndrome that made it worse joining the Survey Corp didn't fix anything

After an expedition and it was later in the night you looked in the mirror and for a split second you saw your father and you could only stare

Levi was walking by and he saw you

"Brat what are you doing" Levi said staring at you