He was outspoken, pessimistic, and annoyingly honest. She was strange, careless, and a bit unorthodox. But, they both had a common intent: staying alive.

Eren Jaeger has a fraternal twin sister, Xion Jaeger. Xion was the surprise that the Jaeger family was not expecting but loved anyways. As Eren was always getting into trouble he always had not only Mikasa but Xion by his side. What happens when Eren and Xion's mother is killed and they take a step towards their dream and join the 104th training corps? What happens when Dr. Jaeger injects both the twins and Eren's titan form is brought to light but the two swear to keep Xion's hidden? What happens when Corporal Levi decides to make Xion his ever since the first time he saw her when the Colossal and Armored Titan destroyed Wall Maria and he saved her? *DISCLAIMER I DO NOT OWN ATTACK ON TITAN OR THE COVER PICTURE*

Two of the few people to ever return from outside of the walls, were Jade and Rowan. Only, they never really lived in the walls to begin with.