Kotoko is finally a full-fledged nurse, but worries that due to her lack of experience, she'll be a burden on Naoki.
I'll be sad if we're in
different departments but...
Ich wäre zwar traurig, wenn wir in
unterschiedlichen Abteilungen sind, aber …
Me entristecería si estuviéramos 
en departamentos diferentes pero...
Me entristecería si estuviéramos 
en departamentos diferentes, pero...