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One Piece: Kobiyama Who Looks Like Koby - Two Piece in a Pod is a spinoff manga of One Piece that was published weekly on the Shonen Jump+ website and app, as well as the official One Piece website, from June 2018. Its first physical volume was published in December 2018. The series concluded in July 2019 with a total of three volumes.[1]

Premise[]

The story focuses on Kobiyama, a middle school student who heavily resembles a younger Koby.[2]

Characters[]

Kobiyama (小日山, Kobiyama?)
A junior high school student who looks like Koby. However, he himself does not know anything about Koby or One Piece.
Akaishi Madoka (赤石まどか, Akaishi Madoka?)
A girl who loves Koby's grown-up appearance and looks forward to Kobiyama going through the same change.
Misu Taichi (深栖太一みすたいち, Misu Taichi?)
A high school student who resembles Mr. 1. His name is is a pun on "Mr. 1" (Mr. 1ミスター・ワン, Misutā Wan?), "ichi" being Japanese for "one".
Sumoshige (須茂重すもしげ, Sumoshige?)
A high school student who resembles Smoker.
Akaishi Papa (赤石パパ, Akaishi Papa?)
Madoka's father who resembles Akainu.

Volumes[]

One Piece Kobiyama Volume 1
Title Release Date Pages ISBN
Kobiyama Who Looks Like Koby (コビー似の小日山, Kobī ni no Kobiyama?) December 4, 2018[3] 144 978-4-08-881682-1
Chapters
  • 001. Kobiyama Who Looks Like Koby (コビー似の小日山, Kobī ni no Kobiyama?)
    • Kobiyama and Future Path/Kobiyama in Poor Physical Condition/Kobiyama's Miracle (進路と小日山/体調不良の小日山/小日山の奇跡, Shinro to Kobiyama/Taichō Furyō no Kobiyama/Kobiyama no Kiseki?)
  • 002. Iron Mace and Kobiyama/Kobiyama and Akaishi Madoka (金棒と小日山/小日山と赤石まどか, Kanabō to Kobiyama/Kobiyama to Akaishi Madoka?)
  • 003. 50-Meter Run and Kobiyama/Misu Taichi Who Looks like Mr. 1 (50m 走と小日山/Mr.1似の深栖太一, Gojū-Mētoru Sō to KObiyama/Misutā Wan ni no MIsu Taichi?)
  • 004. Akaishi Madoka's Observation Diary/Yosakura Who Looks Like Yosaku (赤石まどかの観察日記/ヨサク似の与謝倉, Akaishi Madoka no Kansatsu Nikki/Yosaku ni no Yosakura?)
  • 005. Misu Taichi and Delinquents/Student Guidance and Kobiyama (深栖太一の不良/生徒指導と小日山, Misu Taichi to Furyō/Seito Shidō to Kobiyama?)
  • 006. Motsutomo Ryosuke and Seniors at Work/Onigiri and Kobiyama (持友涼助と職場の先輩/鬼斬りと小日山, Motsutomo Ryōsuke to Shokuba no Senpai/Onigiri to Kobiyama?)
  • 007. Revived Yosakura/Game Tournament and Misu Taichi (起死回生の与謝倉/ゲーム大会と深栖太一, Kishikaisei no Yosakura/Gēmu Taikai to Misu Taichi?)
  • 008. Studies and Akaishi Madoka/President and Senior Marukoshi (勉強と赤石まどか/社長と丸越先輩, Benkyō to Akaishi Madoka/Shachō to Marukoshi-senpai?)
  • 009. Pool and Kobiyama (プールと小日山, Pūru to Kobiyama?)
  • 010. Sumoshige Who Looks Like Smoker/Beauty Salon and Kobiyama (スモーカー似の須茂重/美容室と小日山, Sumōkā ni no Sumoshige/Biyōshitsu to Kobiyama?)
  • 011. Post-Haircut Kobiyama/Dance Powder and Misu Taichi (散髪後の小日山/ダンスパウダーと深栖太一, Sanpatsu-go no Kobiyama/Dansu Paudā to Misu Taichi?)
  • 012. Cigarettes and Sumoshige/Akaishi Madoka's Plan (タバコと須茂重/赤石まどかの計画, Tabako to Sumoshige/Akaishi Madoka no Keikaku?)
  • Omake Manga (おまけマンガ, Omake Manga?)
Cover character(s)
  • Kobiyama

One Piece Kobiyama Volume 1

One Piece Kobiyama Volume 2
Title Release Date Pages ISBN
Kobiyama VS Misu Taichi (小日山 VS 深栖太一, Kobiyama Bāsasu Misu Taichi?) July 4, 2019[4] 160 978-4-08-881760-6
Chapters
  • 013. Processing App and Kobiyama/Senior Marukoshi in Perfect Condition (加工アプリと小日山/絶好調の丸越先輩, Kakō Apuri to Kobiyama/Zekkōchō no Marukoshi-senpai?)
  • 014. Yosakura and Partner/Mosquito Bite and Kobiyama (与謝倉と相棒/蚊に刺されと小日山, Yosakura to Aibō/Ka ni Sasare to Kobiyama?)
  • 015. Akaishi Madoka and Love Rival/Motsutomo Atsunari's Childhood (赤石まどかと恋のライバル/幼少期の持友篤成, Akaishi Madoka to Koi no Raibaru/Yōshō-ki no Motsutomo Atsunari ?)
  • 016. Balloon and Misu and co./Kobiyama's Daily Life (風船と深栖たち/小日山の日常, Fūsen to Misu-tachi/Kobiyama no Nichijō?)
  • 017. Akaishi Madoka and Senior Ui (赤石まどかと宇井先輩, Akaishi Madoka to Ui-senpai?)
  • 018. Nurses and Senior Marukoshi (ナースと丸越先輩, Nāsu to Marukoshi-senpai?)
  • 019. Conflict and Misu Taichi (抗争と深栖太一, Kōsō to Misu Taichi?)
  • 020. Kobiyama's Physical Measurement (小日山の身体測定, Kobiyama no Shintai Sokutei?)
  • 021. Snatch Theft and Sumoshige (ひったくりと須茂重, Hittakuri to Sumoshige?)
  • 022. Koby and Kobiyama (コビーと小日山, Kobī to Kobiyama?)
  • 023. Kobiyama vs. Misu Taichi 1 (小日山 vs 深栖太一①, Kobiyama Bāsasu Misu Taichi Ichi?)
  • 024. Kobiyama vs. Misu Taichi 2 (小日山 vs 深栖太一②, Kobiyama Bāsasu Misu Taichi Ni?)
  • 025. Kobiyama vs. Misu Taichi 3 (小日山 vs 深栖太一③, Kobiyama Bāsasu Misu Taichi San?)
  • 026. New Year's Eve and Kobiyama (年越しと小日山, Toshikoshi to Kobiyama?)
  • 027. New Year's Party and Marukoshi (新年会と丸越, Shin'nenkai to Marukoshi?)
  • 028. Snow and Kobiyama (雪と小日山, Yuki to Kobiyama?)
  • 029. A Cold and Sumoshige (風邪と須茂重, Kaze to Sumoshige?)
  • Saikyo Jump Business Trip Extra Edition (最強ジャンプ出張番外編, Saikyō Janpu Shutchō Bangai-hen?)
Cover character(s)
  • Misu Taichi
  • Sumoshige

One Piece Kobiyama Volume 2

One Piece Kobiyama Volume 3
Title Release Date Pages ISBN
Kobiyama and co.'s Graduation Ceremony (小日山たちの卒業式, Kobiyama-tachi no Sotsugyōshiki?) July 4, 2019[5] 160 978-4-08-882042-2
Chapters
  • 030. Akaishi Madoka and Papa (赤石まどかとパパ, Akaishi Madoka to Papa?)
  • 031. Playing Lucci and Motsumoto (ルッチごっこと持友, Rutchi Gokko to Motsutomo?)
  • 032. Marukoshi and co.'s Daily Life 1 (丸越たちの日常①, Marukoshi-tachi no Nichijō Ichi?)
  • 033. Akaishi Parent-Child Fight (赤石親子のケンカ, Akaishi Oyako no Kenka?)
  • 034. Lst Study and Yosakura (ラスト勉強と与謝倉, Rasuto Benkyō to Yosakura?)
  • 035. Hay Fever and Kobiyama and co. (花粉症と小日山たち, Kafunshō to Kobiyama-tachi?)
  • 036. Cherry Blossom Viewing and Senior Marukoshi (お花見と丸越先輩, Ohanami to Marukoshi-senpai?)
  • 037. Akaishi Papa and Participating in Class (赤石パパと授業参戦, Akaishi Papa to Jugyō Sansen?)
  • 038. Marukoshi and co.'s Daily Life 2 (丸越たちの日常②, Marukoshi-tachi no Nichijō Ni?)
  • 039. Camera and Akaishi Papa (カメラと赤石パパ, Kamera to Akaishi Papa?)
  • 040. Sumoshige and co.'s Daily Life (須茂重たちの日常, Sumoshige-tachi no Nichijō?)
  • 041. Cleaning Time and Kobiayama (掃除の時間と小日山, Sōji no Jikan to Kobiyama?)
  • 042. Misu Taichi's Room (深栖太一の部屋, Misu Taichi no Heya?)
  • 043. Yosakura's Daily Life (与謝倉の日常, Yosakura no Nichijō?)
  • 044. Various Jobs and Marukoshi (いろんな仕事と丸越, Iron'na Shigoto to Marukoshi?)
  • 045. Kobiyama and Senior Ui Who Wants to Go Home (小日山帰りたい宇井先輩, Kobiyama to Kaeritai Ui-senpai?)
  • 046. Kobiyama and co.'s Graduation Ceremony 1 (小日山たちの卒業式①, Kobiyama-tachi no Sotsugyōshiki Ichi?)
  • 047. Kobiyama and co.'s Graduation Ceremony 2 (小日山たちの卒業式②, Kobiyama-tachi no Sotsugyōshiki Ni?)
  • Paper Jump+ (Blue) 2018 Extra Edition (紙のジャンプ+ (青) 2018番外編, Kami no Janpu+ (Ao) 2018 Bangai-hen?)
  • One Piece Magazine Vol.5 Business Trip Extra Edition (ONE PIECE magazine Vol.5 出張番外編, Wan Pīsu Magajin Vol. 5 Shutchō Bangai-hen?)
  • One-shot 『Chiyoko-chan is Going to Make a Blunder (千代子ちゃんはドジっちゃう, Chiyoko-chan wa Dojitchau?)
Cover character(s)
  • Kobiyama
  • Akaishi Papa

One Piece Kobiyama Volume 3

Publication History[]

One Piece: Kobiyama Who Looks Like Koby was published near-weekly in Shonen Jump+ throughout its release.

Cover Release Date # Chapter

Chiyoko-chan is Going to Make a Blunder

May 4, 2017 N/A One-Shot: Chiyoko-chan is Going to Make a Blunder

Kobiyama Chapter 1

June 18, 2018 01 Kobiyama Who Looks Like Koby

Kobiyama Chapter 2

June 18, 2018 02 Iron Mace and Kobiyama/Kobiyama and Akaishi Madoka

Kobiyama Chapter 3

June 25, 2018 03 50-Meter Run and Kobiyama/Misu Taichi Who Looks like Mr. 1

Kobiyama Chapter 4

July 2, 2018 04 Akaishi Madoka's Observation Diary/Yosakura Who Looks Like Yosaku

Kobiyama Chapter 5

July 9, 2018 05 Misu Taichi and Delinquents/Student Guidance and Kobiyama

Kobiyama Chapter 6

July 16, 2018 06 Motsutomo Ryosuke and Seniors at Work/Onigiri and Kobiyama

Kobiyama Chapter 7

July 23, 2018 07 Revived Yosakura/Game Tournament and Misu Taichi

Kobiyama Chapter 8

July 30, 2018 08 Studies and Akaishi Madoka/President and Senior Marukoshi

Kobiyama Chapter 9

August 6, 2018 09 Pool and Kobiyama

Kobiyama Chapter 10

August 13, 2018 10 Sumoshige Who Looks Like Smoker/Beauty Salon and Kobiyama

Kobiyama Chapter 11

August 20, 2018 11 Post-Haircut Kobiyama/Dance Powder and Misu Taichi

Kobiyama Chapter 12

August 27, 2018 12 Cigarettes and Sumoshige/Akaishi Madoka's Plan

Kobiyama Chapter 13

September 3, 2018 13 Processing App and Kobiyama/Senior Marukoshi in Perfect Condition
Paper Jump+ Blue September 4, 2018[6] N/A Paper Jump+ (Blue) 2018 Extra Edition
September 17, 2018 14 Yosakura and Partner/Mosquito Bite and Kobiyama
September 24, 2018 15 Akaishi Madoka and Love Rival/Motsutomo Atsunari's Childhood
October 1, 2018 16 Balloon and Misu and co./Kobiyama's Daily Life
Volume Spin-Off

Kobiyama Saikyo Jump Business Trip Extra Edition

October 5, 2018 N/A Saikyo Jump Business Trip Extra Edition
October 8, 2018 17 Akaishi Madoka and Senior Ui
October 15, 2018 18 Nurses and Senior Marukoshi
October 22, 2018 19 Conflict and Misu Taichi
November 12, 2018 20 Kobiyama's Physical Measurement
November 19, 2018 21 Snatch Theft and Sumoshige
November 26, 2018 22 Koby and Kobiyama
December 3, 2018 23 Kobiyama vs. Misu Taichi 1
One Piece Kobiyama Volume 1

Kobiyama Omake Manga

December 4, 2018 N/A Omake Manga
December 10, 2018 24 Kobiyama vs. Misu Taichi 2
December 24, 2018 25 Kobiyama vs. Misu Taichi 3
December 31, 2018 26 New Year's Eve and Kobiyama
January 14, 2019 27 New Year's Party and Marukoshi
January 21, 2019 28 Snow and Kobiyama
One Piece Magazine Vol.5

Kobiyama One Piece Magazine Vol.5 Business Trip Extra Edition

January 25, 2019 N/A One Piece Magazine Vol.5 Business Trip Extra Edition
January 28, 2019 29 A Cold and Sumoshige

Kobiyama Chapter 30

February 4, 2019 30 Akaishi Madoka and Papa
February 11, 2019 31 Playing Lucci and Motsumoto
February 18, 2019 32 Marukoshi and co.'s Daily Life 1
February 25, 2019 33 Akaishi Parent-Child Fight
March 11, 2019 34 Last Study and Yosakura
March 18, 2019 35 Hay Fever and Kobiyama and co.
March 25, 2019 36 Cherry Blossom Viewing and Senior Marukoshi
April 1, 2019 37 Akaishi Papa and Participating in Class
April 15, 2019 38 Marukoshi and co.'s Daily Life 2
April 22, 2019 39 Camera and Akaishi Papa
April 29, 2019 40 Sumoshige and co.'s Daily Life
May 6, 2019 41 Cleaning Time and Kobiyama
May 20, 2019 42 Misu Taichi's Room
May 27, 2019 43 Yosakura's Daily Life
June 3, 2019 44 Various Jobs and Marukoshi
June 17, 2019 45 Kobiyama and Senior Ui Who Wants to Go Home
June 24, 2019 46 Kobiyama and co.'s Graduation Ceremony 1
July 1, 2019 47 Kobiyama and co.'s Graduation Ceremony 2

References[]

  1. Kobiyama Who Looks Like Koby – Shonen Jump+
  2. https://www.animenewsnetwork.com/news/2018-06-02/one-piece-gets-spinoff-manga-about-koby-lookalike-on-jump-app/.132374
  3. One Piece Kobiyama Volume 1: Shueisha
  4. One Piece Kobiyama Volume 2: Shueisha
  5. One Piece Kobiyama Volume 3: Shueisha
  6. 少年ジャンプ+ (Shonen Jump+) on Twitter.

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