Lucy Jaeger was older sister of Akira Jaeger and Eren Jaeger. She was get a titan power since she was 13 years old by her step aunt, Layla Fritz. When she was 15, her mother get eaten by a smiling titan make her get in despair. She hate titans and want to slaughter them but she got Layla's memories make her understand. She learn how to control it. She also found out that she eat her father and gain founding titans. She had a feeling about founding titans that enemies want it. She will do anything to protect her loved ones. She was training herself and join military with her siblings. What happen if they found out about Lucy being a titan? What will Eren, Akira, Mikasa and Armin do? Will they protect Lucy? What happen if the scouts found out about Lucy? Will they accept Lucy? What will Lucy and Levi do when they like at each other? Will they accept their feeling? Main pairing : Lucy x Levi Erwin x Erza Juvia x Gray Eren x Mikasa Armin x Annie Akira x Wendy