One Piece: Invincible, Starting with Combining Devil Fruits

Also known as: One Piece: I’m Robin’s Father, and I’ll Become the King of the World!

[Character-driven story + System + slow start + dual factions of pirates and Marines...]

In his previous life, he majored in archaeology. Now in the world of One Piece, he married Robin’s mother, but because he could decipher the Poneglyphs, the World Government hunted him down. After drifting on a deserted island for seven years, he finally awakened the System!

So Leiluo begins building his own power step by step, determined to overthrow the Celestial Dragons’ rule!

I, Leiluo, am the true King of the World!