The person who transformed into Zi Yehu is a woman who is simple in heart but decisive in killing. She is born and raised in the laws of the forest.
Due to Long Xingyun's relationship, his whole body temporarily lost strength and was protected by Long Xingyun. Later, he fell in love with Long Xingyun as they slowly got along with each other.
He will also be a very powerful helper for Long Xingyun in the future.