The older students are off on a school trip leaving Akari and a needy Chinatsu alone.  Nadeshiko watches Himawari and Sakurako fight and remembers them as 
children.
When this happens,
move the adverb...
Cuando esto sucede mueve el adverbio...
Cuando pase esto, tienes que cambiar de posición el adverbio...
Quando isso acontecer,
 mova o advérbio...