A mysterious deity described by Satsuki's mom as some kind of Shinigami, whose duty is to visit a person near to death and tell them that his or her end is close so the person can talk with their loved ones for one last time. She appears to Keiichirou, haunting him. Satsuki believes the Nurse wants Keiichirou for evil purposes, due to a childhoodtrauma related with their mother's death. However, it is revealed the Nurse only wanted to give them a letter from Satsuki's mother. Therefore the Death Nurse is one of the few ghosts presented who was not actually evil.