One Piece: Choose a Devil Fruit from the Start and Take to the Skies!

[Joining the crew + invincible + ruthless + Fruit development + building his own faction + plundering + sign-in System]

Yang Qing transmigrates into the world of One Piece and awakens a sign-in System.

He chooses the perfect Float-Float Fruit and crushes every enemy in his path.

What sparks will he create with the original characters as the Straw Hat Pirates' vice-captain?

If Nami ate the Logia Cloud-Cloud Fruit, could she take down Big Mom?

Could Zoro, wielding nine famous swords with his Nine-Sword Style, cut down Kaido?

If Usopp ate a Devil Fruit, would he really become God Usopp?

After Luffy's Gear Five, is he Nika or still Luffy?

Can Ace's fate be changed?

Can one person change the world?

This is the story of a man who changes the world of pirates.