The colored cover background is bluish-white, and the title logo is printed in fading ice-blue, light blue, and red. A unique feature is that the top of the title logo is covered in snow. The author's name is printed in 2 colors (red and orange), which is also a unique feature to this volume.
On the front, Caesar Clown surrounds the center of the cover, with his torso and face in the top right. Surrounded by him are portraits of, from right to left, Smoker, Luffy, and Law. On top of those portraits are the same three characters, shown from a top-down perspective. Smoker and Luffy stand next to each other, with Law behind Smoker. Snow is falling in the foreground.
On the spine Law and Luffy are featured, and the skull print on the spine is colored purple.
For the volume illustration on page 3, a bandaged Luffy shouts out with a victorious pose. He is wearing fire-print shorts and has a large wrestling champion belt over his shoulder.
Does the thought of
"I DON'T EVER WANNA GROW UP!!" ever cross your mind?
When surrounded by adults who can hardly be considered role models, kids will lose their appetite and refuse to grow.
If we were to take full advantage of this phenomena, it would become a revolutionary anti-aging treatment. Maybe the more shitty adults there are out there, people who don't want to end up like them will be able to stay young forever. But these days, there are awesome adults regardless of whether they're over 40 or over 70 which is just TOO BAD.
Strive for volume 70!! Volume 68's about to start--!!!
668. Pirate Alliance (海賊同盟,Kaizoku Dōmei?): Luffy accepts Law's proposal, and Law returns Franky and Chopper to their original bodies. The Straw Hats and Law set their objectives, while some centaurs release a slime creature.
669. The Operation Begins (作戦開始,Sakusen Kaishi?): Zoro, Sanji, and Brook recover while the samurai is rendered immobile due to his torso being submerged in water. Caesar reveals the slime was created from the incident four years ago, while the Straw Hat Pirates and the Marines attempt to break into his base.
670. Blizzard With a Chance of Slime (吹雪ときどき,Fubuki Tokidoki Suraimu?): Luffy battles Tashigi and Smoker as the invasion begins, but balls of slime begin to rain down and split themselves. Caesar then reveals himself, but Luffy manages to grab him, to his shock.
671. Gasu Gasu no Mi (ガスガスの実,Gasu Gasu no Mi?): Sanji dives into a slime-infested lake to look for the samurai's torso. Luffy battles Caesar, who reveals that he can become and control gas. Luffy has the upper hand at first, but he suddenly collapses. Meanwhile, Law is confronted by a mysterious man.
672. My Name is Kin'emon!! (拙者!! 名を錦えもんと申す!!,Sessha!! Na o Kin'emon to Mōsu!!?): The mysterious man, Vergo, easily defeats Law as Caesar easily defeats Robin, Franky, Smoker, and Tashigi. Sanji retrieves the samurai's torso and puts him back together. The samurai then introuduces himself as Kin'emon.
673. Vergo and Joker (ヴェルゴとジョーカー,Verugo to Jōkā?): Nami and Usopp struggle to keep the children under control when Caesar suddenly appears. Zoro, Sanji, Brook, and Kin'emon flee from the axolotl-shaped slime. Vergo takes Law, Luffy, Robin, Franky, Smoker, and Tashigi captive and prepares to kill them, with Law revealing Joker is Doflamingo's Underworld alias.
674. Spectators (傍観者達,Bōkansha-tachi?): Nami and Usopp struggle to stop the addicted children, but Caesar easily defeats them. Caesar then broadcasts himself to the Underworld, revealing his plan to test his new gas weapon on Punk Hazard.
675. Its Name is 'Shinokuni' (その名も「シノクニ」,Sono Na mo 'Shinokuni'?): The children rush to take their drug candy, except Mocha, who resists her addiction and tries to escape. Caesar then lays out a piece of candy which will turn Smiley into Shinokuni, a deadly gas, but Smiley eats it before Caesar tells it to.
676. The Perfected Weapon of Mass Destruction (完全なる殺戮兵器,Kanzen naru Satsuriku Heiki?): Smiley effectively dies upon eating the candy and turns into Shinokuni, which instantly encases Caesar's men in an ash-like shell. Zoro, Sanji, Kin'emon, and Brook run from the gas, and Caesar moves his prisoners' cage outside for them to die. Law prepares to initiate a counterattack.
677. COUNTER HAZARD!! (COUNTER HAZARD!!,Kauntā Hazādo!!?): Eustass Kid and Killer attempt to broker an alliance with Basil Hawkins and Scratchmen Apoo, while Law breaks the prisoners out of the cage. The Straw Hats, Law, Brownbeard, and the Marines reach the laboratory and prepare their counterattack.
678. The Lobby of Laboratory Building A (研究所内A棟ロビー,Kenkyūjō-nai Ē-Tō Robī?): Shinokuni seeps into the laboratory, and Kin'emon and Zoro lead a party to search for the children, Smoker prepares to fight Vergo, and Tashigi and the G-5 Marines search for the escape route. Luffy goes after Caesar, and easily defeats some of his men.
"K(otoshi,) E(iga) Y(aruyo!!) Corner" (lit. "We're doing a movie this year!! segment") is located on pages 222-225. Here are the highlights of what is provided:
This volume features a unique cover with the title logo covered in snow, and the author's name printed in 2 colors.
The alternate back cover.
On the inside back cover, the legs of the unnamed easter egg introduced on the alternate cover of Volume 52 can be found flying off the bottom left corner of the page. On the top right corner, another unnamed easteregg can be seen snacking on pandaman. This is a continuation of an easter egg series that has been featured on the alternate back covers of volumes 25-70.
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