The world has entered a time when disease reproduces itself as a result of a catastrophic event.The dark Doctor Ikuru is afflicted with a disease that makes him immortal and is derided for his unconventional approaches to medicine.He must save a dying world on a mission to die desperately.In this medical science fiction adventure, a man's search for a way out of his suffering will take him to the very edge of humanity and back in the process of saving the world he wants to leave.