Volume 99

Volume 99 is titled "Straw Hat Luffy".

Cover and Volume Illustration
The cover is the first of three volume covers to celebrate the 100th volume.

The cover is of a pink color, with the title logo colored in a rainbow pattern. The author's name is printed lilac. The cover features Charlotte Linlin with her Homies Zeus, Napoleon, and Prometheus, as well as her yokai homies in the background, and Jinbe, Tony Tony Chopper, Usopp, and Nico Robin in the foreground.

Chapters

 * 995. A Kunoichi's Oath (くの一の誓い): Tama and Komachiyo arrive at Onigashima and save Nami and Usopp from Ulti and Page One.
 * 996. Island of the Strongest (最強がいる島): Franky takes on Sasaki, allowing Yamato to escape with Momonosuke and Shinobu. Meanwhile, Kaido overwhelms the Scabbards.
 * 997. Flame Clouds (焔雲): Sanji is lured into a trap by Black Maria, while Zoro defeats Apoo and gets the Ice Oni antibodies to Chopper. After defeating the Scabbards, Kaido lifts Onigashima into the air to move it to the site of the Flower Capital.
 * 998. Ancient Types (古代種): Jinbe confronts Who's-Who, and he, Sasaki, and Black Maria reveal their Ancient Zoan powers.
 * 999. The Sake I Brewed to Drink With You (君がため醸みし待酒): Yamato recalls meeting Ace a few years ago, while Big Mom joins Kaido on the Skull Dome roof.
 * 1000. Straw Hat Luffy (麦わらのルフィ): Luffy, Zoro, Law, Kid, and Killer arrive on the Dome roof to confront Kaido and Big Mom.
 * 1001. Battle of Monsters on Onigashima (鬼ヶ島怪物決戦): The battle between Supernovas and Emperors commences.
 * 1002. Four Emperors vs. New Generation (四皇新世代): The Supernovas find ways to challenge Kaido and Big Mom.
 * 1003. Night on the Board (盤上の夜): As CP-0 tracks the progress of the war from a hidden room in Onigashima, Kaido activates his human-beast form.
 * 1004. Kibi Dango (きびだんご): With the aid of Nami and Usopp, Tama uses her abilities to turn the Beasts Pirates Gifters into her servants.

SBS Notes

 * Kid's Devil Fruit's name is the Jiki Jiki no Mi.
 * Nami's Sorcery Clima-Tact is drawn in a humanized form.
 * Who cuts the Straw Hats' hair among the crew.
 * This was asked previously in SBS Volume 70.
 * How each member of the Straw Hats eats their fried eggs.
 * Information about Jinbe that was revealed about the Straw Hats in previous SBS.
 * Yamato's sideboob is drawn in a humanized form.
 * Yamato's age, height, and favorite food.
 * The connection between Chapter 100 color spread and chapters 999-1000 double color spread.
 * The process of making a SMILE and how more then one fruits with the same power can exist.
 * Oda's favorite Gifters.
 * An explanation of Oden's hairstyle and a previous design.
 * Tease about the return of the Voice Actors SBS with Katsuhisa Houki (Jinbe's VA).

Trivia

 * As a special event for the upcoming 100th volume, Eiichiro Oda is doing a three volume cover spread encompassing volumes 99, 100 and 101.
 * This is the second time that Oda is doing a volume cover spread, the first one was with volumes 21 and 22.
 * This is currently the only volume without Luffy on the cover that does not exclusively contain antagonists on the cover.
 * This is the first volume cover on which Jinbe is shown alongside the Straw Hat Pirates since he joined the crew and became the crew's helmsman.