JK Haru is a Sex Worker in Another World (Japanese: JKハルは異世界で娼婦になった, Hepburn: JK Haru wa Isekai de Shōfu ni Natta) is a Japanese novel by Kō Hiratori, first published in Japan as a web novel from October 2016 to August 2017 on the website Shōsetsuka ni Narō. It was later acquired by Hayakawa Publishing, who published it in December 2017 with cover art by shimano. The novel follows the high school student Haru Koyama, who is transported to another world after her death, where she begins work as a sex worker.

A second volume titled JK Haru is a Sex Worker in Another World: Summer, which is a collection of several short stories that complement the main story, was published in December 2019. The novel has also been adapted into a manga series, illustrated by J-ta Yamada.

Plot

The high school student Haru Koyama and her classmate Seiji Chiba are killed in a traffic accident and are teleported to another world together. While Chiba becomes an adventurer and goes out to slay monsters, Haru discovers that women are not allowed to have special powers in the new world, so she decides to make a living as a sex worker.

JK Haru is a Sex Worker in Another World is written by Kō Hiratori. It started as a web novel on the website Shōsetsuka ni Narō in October 2016. In December 2017, it was acquired by Hayakawa Publishing, who published it in print with cover art by shimano. In North America, the publisher J-Novel Club licensed the series and published it as an e-book in English.

A manga adaptation, illustrated by J-ta Yamada, started on June 14, 2019. It is serialized on the Manga Ōkoku website under its Utsutsu label. It has been published by Shinchosha in four volumes in the tankōbon format as of July 2021. Seven Seas Entertainment licensed the manga in North America and will publish it under its Ghost Ship imprint.

JK Haru is a Sex Worker in Another World
First novel volume cover
JKハルは異世界で娼婦になった (JK Haru wa Isekai de Shōfu ni Natta)
Genre	Isekai
Novel series
Written by	Kō Hiratori
Published by	Shōsetsuka ni Narō
Original run	October 26, 2016 – August 2, 2017
Novel series
Written by	Kō Hiratori
Illustrated by	shimano
Published by	Hayakawa Publishing
English publisher	NA J-Novel Club
Imprint	Hayakawa Bunko JA
Original run	December 6, 2017 – December 4, 2019
Volumes	2
Manga
Written by	Kō Hiratori
Illustrated by	J-ta Yamada
Published by	Shinchosha
English publisher	NA Seven Seas Entertainment
Imprint	Bunch Comics
Magazine	Manga Ōkoku
Demographic	Seinen
Original run	June 14, 2019 – present
Volumes	4