Shiru wants to do good deeds every day but wants low risk, high reward.   Then the girls play a game that will change them forever.  Finally, they peak into another word.
We set off series of physical phenomena 
in a continuous chain of movements,
¡Activaremos varios fenómenos en una
continua cadena de movimientos
Vamos a activar varios fenómenos en una cadena continua de movimientos
Preparamos uma série de fenômenos 
físicos numa cadeia contínua de movimento