A rich man learns of a treasure in a swamp and forces his servants to drain it. Tatsuko goes to a shrine in the mountain every night seeking eternal beauty. The black dragon, who is the master of a huge swamp, wants to marry the beautiful Kurohime.
Father, why did you break 
your promise to the dragon?
Papá, ¿por qué rompiste 
la promesa con el dragón?
Papá, ¿por qué rompiste 
la promesa con el dragón?
Pai, por que você quebrou
a promessa que fez ao dragão?