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.
The old legends of the 
Ainu say the moss balls
Según una leyenda antigua de los ainu,
Según una leyenda antigua de los ainu,
As lendas antigas dos Ainu 
dizem que as bolas de algas