The lies that you told I thought were the truth (Armin Arlert x Black reader)

Introduction

Y/N is a African-American who is friends with Mikasa, Sasha, Annie, Historia, and Ymir

This contains: sexual content, cursing, and fighting
Y/N has two half sisters living with them

Y/N is the oldest they are 19

Ava is the middle child she is 18

Amelia is the youngest and is 18

Ava and Amelia are 10 months apart