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.
I've been waiting ages for 
my turn to do the preview.
He estado esperando muchísimo por 
mi oportunidad de ver los avances.
Llevo mucho tiempo esperando mi oportunidad de narrar los avances.
Estou esperando faz 
séculos para fazer a prévia.