"I will get power. Even if I give my soul to the devil, I will exchange it for the power to destroy the world." Different protagonists, different One Piece, there are no heaven-defying modifiers, there are just stories of the protagonist becoming stronger step by step. Although not all the heroines in One Piece will be included, the number will not be small either.
This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.