Eren is jealous. Mikasa is jealous. Love happens.

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*

Wall Maria has been reclaimed but the titans are still out there. Alex Jaeger, sister to the Titan shifter, is now fighting for the humans, her family and her love. But can her not so little secret remain,well, secret before all the walls come crashing down on her?