Fairy Tail: Return of the Sea God

Story of: Fairy Tail: Return of the Sea GodA boy from the 21st century accidentally traveled to Fairy Tail but unfortunately entered a huge palace. A man in the palace taught him language and writing, as well as the Sea God Slayer Magic (actually the Water God Slayer Magic, the reason why it is called the Sea God Slayer Magic is because it sounds good and has quality) and helped him get the Water Dragon Slayer Magic! In order to gain experience, he came to the Ishgar continent and joined the guild "Fairy Tail". After entering the guild, his partners joined one by one, and the story slowly began to develop. The family bond in the guild turned into the most powerful force in his heart. Protagonist: I want to rewrite my legendary life in this world...