vs.四皇ビッグ・マム！！ サンジ奪還の為、HCIに上陸したルフィ達だったが…！？ 一方、サンジの結婚式の準備が着々と進められ、サンジの家族がついに勢揃い…！？ “ひとつなぎの大秘宝”を巡る海洋冒険ロマン！！

コラソンの本懐を遂げる為、ドフラミンゴに挑むロー。 13年前、二人の間に因縁を生んだ出来事が明らかに！！ ──DR各地で繰り広げられる戦いはさらに白熱する！！

“ひとつなぎの大秘宝”を巡る海洋冒険ロマン！！

While Luffy and his friends are devising a plan to stop Sanji's political marriage, the secret of the Kozuki family from the Wano country is revealed. Those who learn this shocking fact set their next target on one of the Four Emperors!

This is the tale of adventure on the seas, One Piece!!

Luffy and his crew reunite with Nami in the country of Zo, only to find it in a state of ruin. As they pursue the mystery that unfolds in this nation, the secret of Sanji's birth is revealed! This volume continues the grand adventure on the high seas, centered around the quest for the "One Piece," the greatest treasure in the world.