One Piece Volume 81 features story and art by Eiichiro Oda.

Luffy and the Straw Hat pirates have reunited in Zou but the country is on the verge of collapse. While uncovering the secrets of what happened to this animal kingdom, the Straw Hats also search for the whereabouts of their missing crewmate, Sanji.

One Piece manga volume 82 features story and art by Eiichiro Oda.

Luffy's dream has always been to become the Pirate King, but he intends to reach Raftel and the One Piece with his crew right beside him. However, with Sanji's arranged wedding on the horizon and Big Mom and the Vinsmoke's best fighters ready for battle, the Straw Hats may have bitten off more than they can chew.

Yet nothing is quite as it seems, and secret gambits and threats could throw everything on its head! With Luffy's first full confrontation with one of the four Yonkos on the horizon, nothing is certain.

One Piece manga volume 83 features story and art by Eiichiro Oda.

Luffy and crew land on Whole Cake Island to take back Sanji! Meanwhile, the preparations continue for Sanji’s wedding—including the arrival of the groom’s family! It’s gonna take more than luck for the Straw Hats to survive against the forces of Big Mom and rescue their crewmate!

One Piece manga volume 84 features story and art by Eiichiro Oda.

Sanji has fallen into a trap laid by his despicable family, but will he go through with the forced political marriage they have arranged for him? And on Whole Cake Island, Luffy and his crew face off against some of Big Mom’s strongest warriors.

One Piece volume 85 features story and art by Eiichiro Oda.

With Sanji forced into a political marriage by his scheming family, Luffy and members of the Straw Hats enter enemy territory to try to rescue him. But up against Big Mom, an Emperor of the Sea, do they even stand a chance?

One Piece manga volume 86 features story and art by Eiichiro Oda.

In order to take down Big Mom, the Straw Hats have teamed up with “Gang” Bege and his pirate crew. But can these gangsters be trusted? And is this alliance enough to take down a seemingly invincible Emperor of the Sea?

One Piece manga volume 87 features story and art by Eiichiro Oda.

The plan to assassinate Big Mom fails in the most spectacular way! And now Luffy and his co-conspirators are in a major bind. Big Mom is furious and her fearsome pirate crew is out for blood. Can the Straw Hats find a way to escape to safety?!

One Piece manga volume 88 features story and art by Eiichiro Oda.

Luffy continues his clash with General Katakuri, one of the toughest enemies he's ever faced. What can Luffy do against a foe who dodges his every move? Meanwhile, the other Straw Hats are on the verge of total destruction as an angry Big Mom bears down on them!

One Piece manga volume 89 features story and art by Eiichiro Oda.

Sanji and the other chefs rush to complete their cake in order to stop the rampaging Big Mom. Meanwhile, the battle between Luffy and the unbeatable Katakuri reaches its exciting conclusion!

One Piece manga volume 90 features story and art by Eiichiro Oda.

The battle against the Big Mom pirates has concluded, but did the Straw Hats and their ship survive without serious damage? Meanwhile, big changes are happening as the world government begins the Reverie!