One Piece: the Dragon Roars at the Beginning!

Traveling through the world of pirates, you start on the unprecedented seventh floor of Impel Down. Fortunately, the strongest Pokémon system has awakened. As long as you have energy, you can extract the mythical beasts from the Pokémon world, and transform into a mythical beast with all the power of the mythical beast! Transformed into a sky-cracking dragon, he blew up the entire Impel City and collapsed the Gate of Justice that had stood for countless years. Transform into Kyogre, set off a world-destroying tsunami, and attack the Navy headquarters! Groton... Wind King... Lugia... Giratina... When one after another mythical beasts appear on the sea, causing huge waves... Everyone discovered... It turns out that the truly powerful Devil Fruit is not the natural type, but the animal type! When Arceus, the Creator, shines with brilliance, the Elf Organization surpasses everything! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.