Nue is a youkai kept by Sumire Kakei in the Boruto: Naruto Next Generations anime and novel. Nue was created by Danzou Shimura's Root. It is the result of Project Gozu Tennou, designed to be the ultimate weapon harvested from Hashirama Senju's cells. While spearheaded by Tanuki Shigaraki, it was passed on to his daughter, Sumire, with the intention to wreak havoc in Konohagakure. (Source: Narutopedia)