The third daughter of the Queen of Fuji, Tsukuyomi. She has a great deal of spiritual power. Under her mother's orders, she was set to be the next sacrifice to Mount Fuji, and was confined to a shrine near the mountain. But, she sets off on a journey to discover her mother's true intentions for confining her.
The second daughter of the Queen of Fuji, Tsukuyomi, and Kaguya's older sister. 13 years ago, she was sacrificed to the volcanic crater of Mount Fuji to prevent its eruption.
The Queen of Fuji, and the mother of Sakuya and Kaguya. She is very kind and affectionate. 13 years ago, in order to calm the god's rage, she offered her daughter, Sakuya, as a sacrifice at Mount Fuji's volcanic crater. Afterward, she appointed a man named Kitsune to fill in for her and then disappeared.
A young man who lives in a village at the foot of Mount Fuji. He is known for his inhuman strength. He has been a childhood friend of Kaguya ever since she was confined within the bamboo seal. During a riot in the village, he rises to fulfill the promise he made to Kaguya.
One of the Myriad Gods who has lived on Mount Fuji since ancient times. He has taken the form of a bear. He can't speak human languages, but he has formed a strong bond with Kintaro, and they can communicate through their thoughts.
One of the Myriad Gods who once served Tsukuyomi. She is very knowledgeable and, despite her looks, is quite old. Sakuya's sacrifice took a heavy toll on her, mentally, so she secluded herself at Kagamidukuribe Village.
The eldest son of the King of Izumo, Susanoo. He's very handsome, is a smooth talker, and is rumored to be quite the ladies man. He took an interest in Kaguya, and decided to help her on her journey.
The King of Izumo. He is Ookuninushi's father. He is an invincible hero who turned Izumo into a powerful nation in a single generation. Once the nation became larger, he started focusing on developing the economy and technology, rather than the military. At his current age, some people don't think he is as strong as he once was.
The eldest son of the Queen of Hyuga, Amaterasu. A talented person who exceeds in both the literary and military arts. As the heir apparent, he garners plenty of attention. He's full of spirit, and makes calculated decisions. His ideal nation is a centralized nation.
The Queen of Hyuga. She is Momotaro's mother. As the youngest ruler of the three nations, she is full of vitality. She is focused on expanding her territory.
A born miner who runs the mine at Ooe Mountain. Because of her looks, she has been bullied ever since she was young. Due to that, she has a biased opinion about the world. Kaguya and Kintaro swayed her, and she gradually opened up to them.
A dancing maiden who serves the independent nation of Saga in Kyushu. She's an enthusiastic dancer whose skills can mesmerize any man. It seems like she's forming her own vigilante group to protect Saga.
The man who runs the ironmaking organization, Oni Flow. He manages the Tataraba at Ibuki Mountain. He used to be a nice man, but lately, he's been treating the villagers very harshly.
A Myriad God that represents the mountain. It grew angry because the mountains were being destroyed, and all the trees were being chopped down. It lost its sanity and became a Tatarigami.
A Myriad God that represents Mount Aso. It appears before Kaguya and her companions when Aso is rumbling. It was angry because of Tsukuyomi, Amaterasu, and Susanoo's past actions, and turned its rage toward Kaguya.
A giant Myriad God that rules the Hii River. The attack it unleashes from its eight heads are each destructive individually, and can annihilate the party.