Aino (アイノ, Aino) was a servant of Tenji, the emperor of the Land of Ancestors. On orders from her emperor, Aino became Kaguya Ōtsutsuki's personal attendant when she first appeared on Earth. Aino lived a full millennium before the start of the main story. She worked as an the attendant of the emperor of the Land of Ancestors. After arriving on Earth, Kaguya was made Tenji's concubine and ordered Aino to serve as Kaguya's personal attendant who appeared to be more open with her than she was with most sharing information about the God Tree with each other.