[Follow the ship] + [Nanny] + [Daily] + [System] Follow the Straw Hat Pirates across the sea.
At the beginning, you travel through Windmill Village and become Xiba, the son of Bandit King Sigur.
Become sworn sworn brother to Luffy and transform into the future Pirate King's most beloved little brother and vice-captain of the Straw Hat Pirates.
Zoro: "Master Xiba, your swordsmanship is so powerful, can you give me two hands?"
Sanji: "Vice Captain, why are the dishes you cook so delicious? Can you teach me the braised pork dish?"
Usopp: "Please tell me how you smashed an island with a slingshot!"
…
Malinvando, on top of the war.
Faced with Akainu's magma fist as big as a sandbag.
Xiba just smiled slightly: "Father Xige, please give me some face."
