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.
When Kurohime poured me 
a drink the other day,
Desde que la princesa  
me sirvió un trago en la fiesta,
Desde que la princesa 
me sirvió en la fiesta,
Depois que Kurohime me deu
uma bebida dia desses,