Saki is a God candidate, who is also Mirai's classmate and love interest. Once she learns that he does not intend to kill her, Saki teams up with Mirai to deal with Metropoliman. She is Mirai's childhood friend, but Mirai was the target of bullying from his classmates after his parents' death, and Saki did nothing to stop them out of peer pressure. After having witnessed Mirai's death attempt in the beginning of the series, she guiltily tried to drown herself at sea, leading her to meet Revel.