The sky was clear that day. On the rooftop of a certain Research facility, a woman looked up at the sky. "The stars are beautiful today too..." A day like any other. Or atleast... it was supposed to be. Until that terrible incident happened...

This is the country of Vampires, "The land of the night" In a country where the sun only rises once every 100 days, one vampire named "The Ancestor" rules. Tonight, five young promising vampires are gathered to the castle. When they have gathered, "The ancestor" delivers this message. "There is a human hunter amongst us. He is after my life. Find him"

On a deserted island in the sea, two survivors of an airplane crash have been awaiting rescue for three weeks, and are joined by three survivors involved in a boat accident. Pushed to their limit, the group decide to create distance between themselves and share food in order to survive. Until one day, the dead body of Ichinose, one of the survivors is found washed up on the beach.