Higanjima(2013)

Higanjima is a Japanese horror series set on a remote island where vampires have established their own civilization. When humans become infected with the vampire virus, they're drawn to Higanjima—a place from which no one returns alive. The story follows those who venture onto the island, only to discover they've entered a world of no escape. Trapped among the undead, survivors must navigate the deadly rules of vampire society while fighting for their lives. The series blends supernatural horror with survival thriller elements, exploring themes of infection, isolation, and the thin line between humanity and monstrosity. Dark and atmospheric, Higanjima delivers relentless tension as characters confront both external threats and their own transformation into something inhuman.