Series: Kaniyo. Tale

The tale of a monkey befriending a crocodile who lives in the river. Their friendship is tested when the crocodile's greedy wife demands the monkey's heart, believing it is sweet from the fruits the monkey eats. The monkey cleverly escapes by tricking the crocodile into taking him back to the tree, revealing he left his heart there, but ultimately the monkey realizes there's no such thing and that the crocodile was not a true friend.