Aranami is the town doctor in a small community, tending to the health needs of its residents. He plays a crucial role in aiding the protagonist's transition into the real world. Despite his advanced age, Aranami possesses considerable energy, though age limits his physical endurance, especially during demanding tasks like running. He has gray hair cut to ear length and gray eyes. Within the story, he interacts with the main characters, offering support through his medical knowledge and active participation in community life.