Hell's Paradise, also known as "Jigokuraku," is a dark and thrilling manga series written and illustrated by Yuji Kaku. Set in feudal Japan, it follows the tale of Gabimaru, an invincible ninja assassin sentenced to death for his crimes. However, he is given a chance at redemption by undertaking a perilous mission to an uncharted island known as "Hell's Paradise," said to possess the mystical elixir of immortality. Alongside a diverse group of condemned criminals, Gabimaru embarks on a treacherous journey filled with mythical beasts, formidable adversaries, and the haunting secrets of the island. As the story unfolds, it explores themes of redemption, mortality, and the complexities of human nature within the eerie and atmospheric backdrop of a seemingly cursed paradise.