A bamboo cutter named Sanuki no Miyatsuko discovers a miniature girl inside a glowing bamboo shoot. Believing her to be a divine presence, he and his wife decide to raise her as their own, calling her "Princess". The girl grows rapidly, earning her the nickname "Takenoko" (????, "little bamboo") from the village children. Sutemaru (??), the oldest among Takenoko's friends, develops a close relationship with her.

Miyatsuko comes upon gold and fine cloth in the bamboo grove the same way he found his daughter. He takes these as proof of her divine royalty and begins planning to make her a proper princess. He relocates the family to the capital, forcing the girl to leave her friends behind, and the family moves into a mansion replete with servants. The girl is saddled with a governess who is tasked with taming her into a noblewoman. The girl struggles with the restraints of nobility, yearning for her prior life in the countryside.

When she comes of age, she is granted the formal name "Princess Kaguya" (????, "the shining princess"). Miyatsuko holds a celebration, where Kaguya overhears partygoers ridiculing her father's attempts to turn a peasant girl into a noble through money. Kaguya flees the capital in despair and runs back to the mountains, seeking Sutemaru and her friends, but discovers that they have all moved away. She passes out in the snow and awakens back at the party.

Kaguya grows in beauty, attracting suitors. Five noblemen attempt to court her, comparing her to mythical treasures. Kaguya tells them she will only marry whoever can bring her the mythical treasure mentioned. Two suitors attempt to persuade her with counterfeits, the third abandons his quest, and the fourth lies. When the last suitor is killed in his quest, Kaguya becomes depressed. The Emperor takes notice of Kaguya's beauty and tries to kidnap her but she convinces him to leave.

Kaguya reveals to her parents that she originally came from the Moon. Once a resident there, she broke its laws, hoping to be exiled to Earth so that she could experience mortal life. When the Emperor made his advances, she silently begged the Moon to help her. Having heard her prayer, the Moon restored her memories and said she will be reclaimed during the next full moon. Kaguya confesses her attachment to Earth and her reluctance to leave; Miyatsuko swears to protect her and begins turning the mansion into a fortress.

Kaguya returns to her home village and finds Sutemaru. The two profess their love, and in their joy, they fly over the countryside, only to encounter the Moon and fall. Sutemaru wakes up alone and reunites with his wife and child, interpreting the experience as a dream.

On the night of the full moon, a procession of celestial beings led by the Buddha descends from the Moon, and Miyatsuko is unable to stop it. An attendant offers Kaguya a robe that will erase her memories of Earth. She is granted one last moment with her parents before an attendant drapes the robe around her, appearing to erase her memory. They leave, and Miyatsuko and his wife are distraught. Kaguya looks back at Earth one last time, and cries as she remembers her mortal life, which is now only a dream to her.

https://en.wikipedia.org/wiki/The_Tale_of_the_Princess_Kaguya_(film)
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