Koisuru One Piece

Koisuru One Piece (Japanese: 恋するワンピース, Hepburn: Koisuru Wan Pīsu; lit. 'One Piece in Love') is a Japanese manga series written and illustrated by Daiki Ihara [ja]. It began serialization on Shueisha's Shōnen Jump+ manga service in June 2018. It is a spin-off of Eiichiro Oda's One Piece manga series. An original net animation adaptation was released in April 2025.

Koisuru One Piece
First tankōbon volume cover
恋するワンピース (Koisuru Wan Pīsu)
Genre	Comedy[1]
Created by	Eiichiro Oda
Manga
Written by	Daiki Ihara
Published by	Shueisha
Imprint	Jump Comics+
Magazine	Shōnen Jump+
Original run	June 18, 2018 – present
Volumes	9
Original net animation
Directed by	Yū Kamatani Hazuki Omoya
Studio	Toei Animation
Released	April 1, 2025 – April 5, 2025
Runtime	6-7 minutes
Episodes	5

Premise

A group of high school students with the same names as the Straw Hat Pirates end up forming a One Piece fan club. Throughout the series, parodying moments from the One Piece manga.

Characters

Luffy Yamamoto (山本 海賊王（ルフィ）, Yamamoto Rufi)

Voiced by: Ryōsuke Kanemoto^[2]

Nami Koyama (小山 菜美, Koyama Nami)

Voiced by: Ayane Sakura^[2]

Usopp Nakatsugawa (中津川 嘘風（ウソップ）, Nakatsugawa Usoppu)

Voiced by: Yuichi Nakamura^[2]

Sato Yoshioka (吉岡咲灯, Yoshioka Satō)

Voiced by: Akari Kitō^[3]

Biology Club President (生物部部長, Seibetsu-bu Buchō)

Voiced by: Akira Ishida^[3]

Tsuchi (つっち)

Voiced by: Megumi Han^[3]

Toriko Kurono (黒野虜, Kurono Toriko)

Voiced by: Takehito Koyasu^[3]

Narrator (ナレーション, Narēshon)

Voiced by: Mahito Ōba^[3]

Media

Manga

Written and illustrated by Daiki Ihara, Koisuru One Piece began serialization on Shueisha's Shōnen Jump+ manga service on June 18, 2018.^[1] The series went on hiatus on November 7, 2021, due to Ihara launching Protect Me, Shugomaru! in Weekly Shōnen Jump later in the year.^[4] It resumed serialization on April 10, 2025.^[5] Its chapters have been compiled into nine tankōbon volumes as of April 2022.^[6]

No.	Release date	ISBN
1	December 4, 2018[7]	978-4-08-881680-7
2	July 4, 2019[8]	978-4-08-881884-9
3	October 4, 2019[9]	978-4-08-882130-6
4	December 28, 2019[10]	978-4-08-882199-3
5	September 4, 2020[11]	978-4-08-882371-3
6	November 4, 2020[12]	978-4-08-882476-5
7	June 4, 2021[13]	978-4-08-882689-9
8	September 3, 2021[14]	978-4-08-882767-4
9	April 4, 2022[6]	978-4-08-883080-3
10	September 4, 2025[15]	978-4-08-884687-3

Anime

An original net animation adaptation was announced during an AnimeJapan event on March 22, 2025. The series consisted of five anime shorts that aired on YouTube, Instagram and TikTok from April 1 to 5, 2025.^[2]

See also

• Protect Me, Shugomaru!, another manga series by the same author