Natsuki's life experiences a big shift after becoming a teacher and starting a salvaging service. Rumors of a school lit with electricity attracts new students, and activities around the school regain a sense of liveliness. 
R-Right...
...حـ-حسناً
J-Ja …
Sí, señora.
Sí.
Oui, maîtresse.
C-Chiaro...
C-Certo.
Л-ладно…