[Decisive and ruthless + no saintly heroine + System sign-in + One Piece fan fiction]
[The protagonist knows nothing about the One Piece story]
An assassin transmigrates into One Piece as Luffy. From the start, he is on the brink of death in a poison fog, but signs in and obtains the Demon Blade Thousand Slices!
He won't be a reckless fool. He'll be a decisive and ruthless overlord of the seas!
What fate will Ace meet this time?
Where will the Straw Hat Pirates' crew end up?
What kind of death awaits the deserter Koby?
Will Momonosuke be sent straight to hell from the start?
Can Enel still make it to the moon?
Will Blackbeard still have anything to laugh about?
Watch Luffy punch Red-Hair and trample Imu. With his Demon Blade pointed at them, even the Four Emperors retreat!
The world of pirates will tremble.
In this life, I, Luffy, am claiming the throne of Pirate King!
