A boy throws a rock at a baby kappa, and its father puts a powerful curse on him.  The lake moss of the Ainu come to be refered as the heart of the forest.
Once upon a time, a kappa and its 
child lived in a ditch in this land.
Hace mucho tiempo,
en un río de esa región
Hace mucho tiempo, 
en un río de esa región
Era uma vez, um kappa e seu filho 
que viviam em um fosso nesta terra.