Hell's Paradise: Jigokuraku

Hell's Paradise: Jigokuraku is a Japanese web manga series written and illustrated by Yuji Kaku. Set in the Edo period of Japan, the series follows the journey of ninja Gabimaru and executioner Yamada Asaemon Sagiri as they search for the elixir of immortality. Kaku wrote the series with the mindset of creating a setting including multiple pairs of people with unaligned interests thrown into an enclosed space, forced to work together.

The manga was serialized on Shueisha's app and website Shōnen Jump+ from January 2018 to January 2021. The series consists of 127 chapters collected in 13 tankōbon volumes. Shueisha simultaneously published the manga in English on its Manga Plus online platform, while Viz Media licensed it for digital and print release in North America.

A 13-episode anime television series adaptation, titled Hell's Paradise, produced by MAPPA and directed by Kaori Makita, was broadcast on TV Tokyo and its affiliates from April to July 2023. A second season premiered in January 2026.

By August 2018, it had become the most popular series on Shōnen Jump+. The series has been well received by critics, who have praised its action and characters. By December 2022, the manga had over 4 million copies in circulation.