Prisoner Island (Octo Hachijō-jima) (タコ八丈島, Tako Hachijō-jima) is a solitary island far south of Little Tokyo where Princess Vi banishes those who offend her. The island is defined between two area from the mountain with a skull and octopus shape as one head. Unbeknownst to the Princess, the former royal architect, I. Beam along with the other exiles transformed the octopus side into a paradise resort.