Gabimaru, also known as Gabimaru the Hollow, is the main protagonist of the anime series 'Jigokuraku,' also known as 'Hell's Paradise.' He is a highly skilled shinobi from Iwagakure, known for his ruthless efficiency and emotionless demeanor. Despite his reputation as a cold-blooded killer, Gabimaru harbors a deep desire to live a peaceful life with his beloved wife. His journey in the series begins when he is captured and given a chance to earn his freedom by participating in an expedition to a mysterious island in search of the Elixir of Life. Throughout the series, Gabimaru's character evolves as he struggles with his past and his longing for redemption.