The story of 10 death row convicts ordered to a dangerous island for the elixir of immortality, paired with their executioners.
An action manga set in Edo-period Japan by Yuji Kaku. The protagonist is 
Gabimaru, a young man said to be the strongest shinobi. The story begins with his capture by the shogunate. Gabimaru and 9 other Death Row, along with 10 executioners assigned to watch them, embark on a deadly mission to Shinsenkyō (the Hidden Paradise) in search of the elixir of immortality. The complete manga consists of all 13 volumes, serialized on Jump+ from January 22, 2018 to January 25, 2021, spanning about three years.
The one who ordered the journey was "
Tokugawa Narichika", the 11th Shogun of the Edo shogunate (fictional).
At the heart of the story is Gabimaru, a young man renowned as the strongest of a ninja clan called the Iwagakure-shu (Stone Hidden Clan). Once described as a cold-blooded killer with no tears nor feelings, he begins to change through his beloved wife and through encounters with his executioner 
Sagiri and many others — a precious story of transformation.
An island where eerily vivid flowers bloom, vibrantly colored butterflies dance, and bizarre creatures roam — Shinsenkyō. Can those who set foot on it ever return alive?
📍 Shinsenkyō (The Hidden Paradise)
A legendary island said to lie southwest of Ryūkyū (present-day Okinawa). Said to be a fertile land filled with bliss, where the elixir of immortality is rumored to exist.
⚔️ Shizainin (Death Row Convicts)
Criminals captured by the shogunate and sentenced to death. Crimes include not only murder but also theft, fraud, and treason against the shogunate.
🥷 Iwagakure-shu (Stone Hidden Clan)
Written with the character "Stone" but read as "Iwa". A ninja village in Iga, where Gabimaru was born and raised. "Men are soldiers, women are vessels for offspring" — strict laws permit nothing else, and casualties during training are not uncommon.
⚔️ Yamada Asaemon
The Yamada family's professional title — "Otameshigoyō" — responsible for sword testing and execution duties on behalf of the shogunate. The current head is "
Yamada Asaemon Kichiji
| Title | Hell's Paradise |
|---|---|
| Genre | Ninja Action Drama |
| Author | Yuji Kaku |
| Publisher | Shueisha |
| Magazine | Shōnen Jump+ |
| Serialization Period | January 22, 2018 – January 25, 2021 |
| Volumes | 13 volumes (Complete) |
| Official Site | Hell's Paradise Official |
