Devil Fruit Age: Ancient Edition

Fang Yu traveled through time and came to a world that resembled the ancient version of One Piece. In this world, there are three colors of Haki, six types of navy, and people with devil fruit abilities. Not only that, but there are also mysterious churches and strange evil spirits. When he came up, he awakened the most useless devil fruit in the world, the imitation fruit. After activating the light blue point-adding system, it was out of control. One day Fang Yu carried a stereo onto the battlefield. "Brother, why do you bring BGM with you when you appear?" You know what the hell, when Xiao Feng fights, BGM is the real thing. If the introduction is not good, please read the text. If you feel bad, just criticize me and I will correct it in time. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.