When Nolbu finds out about it, he finds a swallow and breaks its leg to nurse it back to well being, expecting the fowl to reward him as it did Heungbu. Working-Class Heronote or peasant hero, to be particular Heungbu, who was forced to stay in a smaller hovel with his family members by his wealthy, but evil brother Nolbu, discovers an injured swallow and nurses it back to well being.