"Heungbu and Nolbu" is a traditional Korean folktale that tells the story of two brothers with contrasting personalities. Heungbu is kind-hearted and generous, while Nolbu is greedy and selfish. The tale explores themes of morality, kindness, and the consequences of one's actions. In the story, Heungbu helps a wounded swallow, which later rewards him with wealth and fortune. In contrast, Nolbu tries to replicate his brother's success through deceit, leading to his downfall. The folktale serves as a moral lesson about the importance of compassion and the repercussions of greed.