Hell's Paradise is a manga and anime series about the ninja Gabimaru "the Hollow" and his partnership with Yamada Asaemon Sagiri, an executioner, to find the elixir of life on a dangerous, supernatural island. The premise offers Gabimaru a chance for a pardon in exchange for retrieving the elixir for the Shogun, but the island is fraught with dangerous beasts and other formidable foes. The story blends religious themes, action, and horror as it explores the complexities of the human soul in a unique, blurred world of good and evil.