One Piece School

One Piece School is a One Piece spin-off manga by Sohei Koji. It has been published in Saikyo Jump since August 2019. Its first physical volume was published on April 3, 2020.

Since April 8, 2022, the series is also available on Shōnen Jump+. New chapters are published on Shonen Jump+ in two parts: the first half at the beginning of a month, and the second half in the middle of a month. Saikyo Jump continues to publish full chapters at the beginning of every month.

Premise
The premise of this manga involves various characters from One Piece being placed in a school setting. Koby is a student who transfers into the same class as Monkey D. Luffy, which is taught by their homeroom teacher Aokiji.

Grand City
Grand City (グランド) is a city located in an unknown region. While it has a functioning system of government, the congressman is considered to be corrupt, and the middle schools in the city have much more influence than any other group or organization.

Café Baltigo
Café Baltigo (カフェ バルティゴ) is a café located in Grand City. It is secretly run by the Revolutionary Army. It has four branch offices named after each cardinal direction, and is owned by Emporio Ivankov.

Under Bridge Inn
Under Bridge Inn (木喬の下のメシ屋) is an inn located under a bridge in Grand City. It is run by Terry, and frequented by Whitebeard.

Grand Station
Grand Station (グランド駅) is a train station connected to a park in Grand City. It is the location where Koby was attacked by members of the Donquixote Family.

Amazon Candy Shop
Amazon Candy Shop (駄菓子屋アマゾン) is a candy shop run by Amazon. It is located somewhere to the south west of New World Middle School.

New World Middle School
New World Middle School (新世界中学校) is the school that Koby and his friends attend, as well as "Grand City's Most Powerful" school.

Moby Dick School


Moby Dick School (モビーディック校) is a branch school of New World Middle School, located on a boat in the ocean. It's connected back to the mainland by a single dock. However, the dock can be disconnected, allowing the school to sail.

Ohimegaoka Junior High School
Ohimegaoka Junior High School (王姫ヶ丘中学校) is a prestigious junior high school, exclusive enough that someone's transfer there is debated at the "Council of the World's Top Influential Families" (also known as the Levely).

Death Boys Music School
Death Boys Music School (デスボーイズ音楽中学校) is a music school, outside Grand City. The only known student is Brook.

Kuja Girls Junior High
Kuja Girls Junior High (九蛇又予中学校) is a girls-only junior high school. Despite it being a separate school, one of its students is still considered one of New World Middle School's "7 Seniors". The school can drive, both in water and on land.

South Grand Primary School
South Grand Primary School (グランド南小の) is a primary school that Eustass Kid and Killer used to attend.

Characters
Characters appearing in One Piece School are caricatures of their main series counterparts, usually in their pre-Timeskip forms, and retain their abilities. High-ranking Marines usually represent teachers, while pirates are students and CP9 is the student council.

Below is a full list of characters that have appeared in the series, ordered alphabetically. Characters are listed using aliases used in One Piece School:

Teachers

 * Attach
 * Bastille
 * Mr. Borsalino Kizaru (2nd Year Student Affairs Manager)
 * Brannew
 * Dalmatian
 * Doberman
 * Gaimon
 * Hina
 * Mr. Kuzan Aokiji (Class 1-1 Head Teacher and 1st Year Student Affairs Manager)
 * Lonz
 * Momonga
 * Monkey D. Garp
 * Onigumo
 * Pudding Pudding
 * Mr. Sakazuki Akainu (3rd Year Student Affairs Manager)
 * Sengoku (Principal)
 * Shu
 * Smoker
 * Stainless
 * Strawberry
 * T Bone
 * Terracotta
 * Yamakaji

Student Council
The student council is a group of students who are dedicated to "protecting the rules" of New World Middle School. They are authorized, both through the school and the law, to use violence to enforce these standards, and have the ability to suggest suspensions to the principal, which are usually accepted.
 * Blueno
 * Fukurou
 * Hattori
 * Jabra (Vice-President, former temporary President)
 * Kaku (Vice-President)
 * Kalifa (Secretary)
 * Kumadori
 * Rob Lucci ("Hyouta Hattori" (ヒヨウくん)) (President)
 * Spandam (Advisor)

Class 1-1

 * Babe
 * Brook (formerly)
 * Buggy
 * Cabaji
 * Chew
 * Fullbody
 * Hatchan
 * Jango
 * Jinbe
 * Koby
 * Kuroobi
 * Masira
 * Miss Monday
 * Mohji
 * Monkey D. Luffy ("Mr. 5686")
 * Mr. 9
 * Nami
 * Nefertari Vivi (Class Monitor, "Miss Wednesday")
 * Nico Robin
 * Richie
 * Risky Brothers
 * Roronoa Zoro
 * Sanji
 * Tony Tony Chopper
 * Usopp ("Mr. 800")
 * Zambai
 * Franky

Class 1-2

 * Kumashi
 * Perona

Class 1-3

 * Scratchmen Apoo

Class 1-4

 * X Drake

Class 1-5

 * Jewelry Bonney

Class 1-6

 * Bepo
 * Hakugan
 * Ikkaku
 * Jean Bart
 * Penguin
 * Shachi
 * Trafalgar D. Water Law

Class 1-7

 * Capone Bege
 * Vito

Class 1-8

 * Urouge

Class 1-9

 * Basil Hawkins

Class 1-10

 * Eustass Kid
 * Heat
 * Killer
 * Wire

Unknown Class

 * Bellamy
 * Buchi
 * Chess
 * Dosun
 * Gem
 * Gin
 * Hamburg
 * Krieg
 * Kuromarimo
 * Pearl
 * Sarkies
 * Sham

Class 2-6

 * Blueno
 * Fukurou
 * Jabra
 * Kaku
 * Kalifa
 * Kumadori
 * Rob Lucci

Unknown Class

 * Arlong
 * Chaka
 * Enel
 * Miss Doublefinger
 * Mr. 1
 * Pell
 * Shyarly

Class 3-3

 * Wanda

Class 3-9

 * Crocodile
 * Dracule Mihawk

Unknown Class

 * Atmos
 * Blamenco
 * Blenheim
 * Blondie
 * Islewan
 * Donquixote Doflamingo
 * Izou
 * Rakuyo
 * Skull
 * Squard
 * Viola
 * Whitey Bay

Unknown Year

 * Bomba
 * Caesar Clown
 * Conis
 * Dalton
 * Foxy
 * Gatz
 * Gecko Moria
 * Gedatsu
 * Gyaro
 * Haritsu Kendiyo
 * Helmeppo
 * Hotori and Kotori
 * Itomimizu
 * Johnny
 * Kamakiri
 * Kiev
 * Koza
 * Koze
 * Kuro
 * Lassoo
 * Macro
 * Marguerite (Formerly)
 * Marianne
 * Merry
 * Mikita
 * Minochihuahua
 * Minotaurus
 * Miss Friday
 * Miss Goldenweek
 * Miss Merry Christmas
 * Miss Valentine
 * Monda
 * Mozu and Kiwi
 * Mr. 2 Bon Clay
 * Mr. 3
 * Mr. 4
 * Mr. 5
 * Mr. 13
 * Nero
 * Ohm
 * Packy
 * Peepley Lulu
 * Pekoms
 * Puppu
 * Pike
 * Porche
 * Raki
 * Risky Brothers (Zombies)
 * Roshio
 * Satori
 * Senor Pink
 * Shoujou
 * Shura
 * Spandam
 * Tansui
 * Tightrope Walking Funan Bros
 * Tilestone
 * Wanze
 * Wyper
 * Yosaku

Third Year

 * Marco
 * Jozu
 * Whitebeard

Second Year

 * Portgas D. Ace

Unknown Year

 * Aggie 68
 * Tate

Teachers

 * Mrs. Elder Nyon (Principal)

Third Year

 * Boa Hancock
 * Boa Marigold
 * Boa Sandersonia

Unknown Year

 * Albion
 * Aphelandra
 * Cosmos
 * Daisy
 * Kikyo
 * Marguerite
 * Ran
 * Rindo
 * Sweet Pea

Other Students

 * Alvida (Unnamed middle school)
 * Bartolomeo (Unnamed primary school)
 * Heppoko (Unnamed middle school)
 * Koala (Second year student at unknown school
 * Peppoko (Unnamed middle school)
 * Poppoko (Unnamed middle school)
 * Sabo (Second year student at unknown school)
 * Uta (Cover only, unknown school)

Seven Studentlords
The Seven Studentlords (七武生) are seven third-year students who go to New World Middle School. They're said to be the strongest students in the school.
 * Boa Hancock (Despite not going to New World Middle School)
 * Crocodile
 * Donquixote Doflamingo
 * Dracule Mihawk

Four Emperors
The Four Emperors are four students who are said to be the guardians of their respective schools. Two attend New World Middle School, while the other two attend separate schools.
 * Whitebeard (Moby Dick School, a branch school of New World Middle School)

Other Characters

 * Amazon
 * Baby 5
 * Belo Betty
 * Boo
 * Boodle
 * Buffalo
 * Bunny Joe
 * Chicken
 * Chimney
 * Chinjao
 * Chouchou
 * Cocox
 * Curly Dadan
 * Edward Newgate
 * Emporio Ivankov
 * Genbo
 * Gonbe
 * Gyoru
 * Hack
 * Igaram
 * Ipponmatsu
 * Jalmack (Congressman)
 * Karasu
 * Karoo
 * Kokoro
 * Lindbergh
 * Lionbuta
 * Minatomo
 * Moda
 * Monet
 * Moodie
 * Morley
 * Mr. 7
 * Nefertari Cobra
 * Ninjin
 * Onigiri
 * Pappag
 * Piiman
 * Pinky
 * Sai
 * Shelly
 * Su
 * Sugar
 * Tamanegi
 * Terry
 * Tonjit
 * Trebol
 * Zeff (Former New World Middle School student)

Below is a list of animal species that have appeared in the series:
 * Bananawani
 * Blue Gorillas
 * Den Den Mushi
 * Elephant Tuna
 * Hiking Bear
 * Humandrills
 * Kraken
 * Kung Fu Dugong
 * Octopus (Mash, fantasized)
 * Sea Beast (Momoo)
 * South Bird

Chapters not yet published in volume format
The following chapters have appeared in Saikyō Jump but have yet to be reprinted in tankōbon format.
 * 024. The Town's Charisma, Joker (街のカリスマジョーカー)
 * While Crocodile and Whitebeard prepare to battle, the students of Class 1-1 investigate the Student Council's claims of Donquixote Doflamingo attempting to bring New World Middle School to ruin. They meet him, but are won over by his charm, concluding that he may not be as evil as he seems. Meanwhile, the Student Council investigates a video about a student attacking people while claiming he can't control his body, with Lucci observing that it may be due to the Ito Ito no Mi.
 * 025. Outbreak of War (開戦)
 * The students of Class 1-1 are informed of the battle between Crocodile and Whitebeard by Law. They rush to the beach to participate, not wanting to ruin their reputation, and witness the arrival of Baroque Works and the Moby Dick School. After a bit of banter, the battle begins.
 * 026. Battle Royale (大乱戦)
 * 027. One-on-One
 * 028. Win and Lose (勝ちと敗け)

Trivia

 * Marguerite was originally shown as a New World Middle School student, but was later a student at Kuja Middle School.