Ikeda Chizuru here. I guess I'm gratefull to see you again. Tsk! Anyway, she had to get involved and make things complicated again... Sheesh. I'm not mad because I want to be, but... Sometimes I wish I could smile like my sister.
What are you talking about? 
They're essential!
Ist das nicht klar?! Die brauchen wir!
¿Qué dices? ¡Es esencial!
¿Qué dices? ¡Es esencial!
Ma che domande fai? 
Sono essenziali!
Do que você está falando? É essencial!