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.
Then how about walking 
to the station each day
Entonces, ¿qué tal caminar a la estación cada día
¿Y si vas a la estación andando cada día
Mas que tal caminhar 
até a estação todo dia