When Natsu brings a blonde girl back to the guild his little sister Aika wants nothing else but for her to leave. Slowly after time Aika starts to feel neglected by her guild. She can tell her big brother Natsu really likes Lucy. Aika just hoped her magic will be enough to help her guild with the danger that lies ahead of them. Aika starts noticing that their might be something more between Natsu and Lucy. While she is unclear about her feeling towards a certain black haired mage.