Après une tempête sur Grand Line, l'équipage de barbe blanche est contraint d'accoster sur une île. Ces derniers sont surpris d'apercevoir un monstre marin échoué et blessé. Cette creature est vénéré par les hommes poissons et les sirène. Rhode c'est son nom, est l'une des créature marine les plus ancienne de ce monde. Beaucoup d'histoire tourne autour de cette créature, elle serait un guide pour les créatures marines mais aussi pour les marins. Comment cet équipage légendaire va-t'il réagir envers cette créature et comment Rhode va influencer leurs aventures.

(Y/N) (L/N) wasn't a powerful wizard but, she had enough power to fight if needed to. She was a Fairy Tail mage. Best friends with Natsu, Gray, Erza, Lisanna and Mirajane. (Y/N) was only nine when they lost Lisanna, she felt lost and empty. She lost her parents to a dark guild, at a young age, a year after she found Fairy Tail, her new family. So when her guild betrays her she decided she wasn't going down without a fight. This is her Bittersweet Revenge.

A hybrid was born at a Weyland Yutani Corporation in Japan. Her Mother was a human but her Father was a Yautja elite warrior. The child, a baby girl was tested on genetically since she was 5. Mr. Weyland wished to turn the child into the perfect weapon at the company's disposal. Her mother saw what he was trying to do and wanted to escape with her husband and her baby. The Father dies protecting his mate and pup. The Mother raises the child until her worst fear is realized, they found them.