Kobotori, also known as The Stolen Lump, is a 1929 animated film, directed by Chûzô Aochi and Yasuji Murata. The short is one the earliest known surviving examples of Japanese animation, following the experimental works of Ōten Shimokawa and Junichi Kōuchi in the late 1910s. An old man has a lump or tumor on his face. In the mountains, he encounters a band of tengu making merry and joins their dancing. He pleases them so much that they want him to join them the next night, and offer a gift for h