Lucy Fullbuster was the last person who save from her destroyed world by Raios. Her family, her friend and her lover were died as they get killed by Raios which Lucy killed him back. She was hurt for losing her loved ones. But then she get given a second chance to live in another world by a goddess named Reina. Reina had give her a chance to change the future where she sent to live there. Lucy had learned something about titans and she have a vision which she decide to save humanity from titans. She had save Eren's mother and send her to the boat with Mikasa and Eren before she running back to the wall. She transform herself into a dragon and killed the dragons. She then leave go to the left human who can't go to the boat. She landing on them asked them to climb on her back. Despite the fear, they were climb on her back as Lucy kill the titan who come from the hole who been crushed by armored titan. After she send the human to another wall, she change back to her normal and live in underground for one year. After one year, she was fighting a woman who from survey corps and offered her to join them. Lucy had accepted her offer and officially be a member of survey corps after her expedition. Will Lucy change the cruel world? Will Lucy save Levi's friend? What happen to Lucy when she reveal herself as a dragon when she confront to Annie? Will they accepted Lucy? Will Lucy find a new love in her life?