Two years have passed since Luffy's departure.
Goku and Luffy's adventures continue.
Goku trains with Kami, honing his skills.
Luffy meets Rayleigh, seeking guidance.
Rayleigh: "Your Haki needs refinement."
Luffy: "Teach me, I won't lose!"
Meanwhile, the Straw Hats:
Nami masters Navigation.
Zoro perfects Three Sword Style.
Usopp develops Pop Greens.
Sanji enhances Diable Jambe.
Franky upgrades his cyborg body.
Brook masters Soul-Soul Fruit.
Their journeys, a path to reunion.
To be continued...