The brilliant inventor Gennai is working on a time machine to take her to the future.  The current world has inspired her to see what the future has in store.  But her plans become derailed when her assistant is in accident.
This world's got "eel day" 
every Saturday, right?
En este mundo hay un día llamado 
sábado de anguila, ¿cierto?
En este mundo hay un día llamado 
"sábado de la anguila", ¿cierto?
O "dia da enguia", neste mundo, é todo Sábado, né?