Ukifune (浮舟, うきふね) is the nickname of a princess in The Tale of Genji, the unrecognized daughter of the Eighth Prince.
Ukifune is the unrecognized daughter of the Eighth Prince, the half sister of Oigimi and Nakanokimi, and a young lady of uncommon beauty and grace.
Both Kaoru and Prince Niou court Ukifune and seek her love, and she agonizes over the proper choice.
In order to release herself from the love triangle, Ukifune attempts suicide by throwing herself into the Uji River, but is unsuccessful.
Having been rescued, she takes vows to become a Buddhist nun and secludes herself in Ono, at the western foot of Mount Hiei.