In Lunangui Mountain, where the Sani people of the Yi branch live, there is a story of the four strings of the Yi people. A long time ago, there was a very beautiful girl Ama in Sani Village, she fell in love with the brave hunter Ava. They are all slaves of the headman, A Bao. A Bao wants to marry Ama as his wife, but Ama can't do anything. In order to force Ama to submit, A Bao sent some...