I! Cultivate Your Own Devil Fruit and Kill Neptune Angrily

The origin of the Devil Fruit was revealed, and the mysterious boy who broke through the limitations constantly devoured new fruit abilities. The palace of the deep sea imprisons the secret of the origin of the world. In the seemingly prosperous age of navigation, a world-destroying catastrophe is quietly coming from the depths of the sea. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.