After an attempt to steal a magical relic goes very wrong, Eve not only loses a friend but also her freedom. She is forced to summon a monster and enter a fighting arena with other imprisoned slaves. Years go by, and Eve has finally honed her skills and plans to exact her revenge on the man who captured her when a group of sky pirates looking for relics suddenly appears. In that moment, she makes the choice to escape with the pirates on their ship and sets off on a tumultuous journey to find her true path in life.