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. 
Again, stop talking when you're underwater.
من جديد، كُفّي عن التكلُّم
عندما تكونين بلباسكِ الدّاخليّ
Wie oft denn noch?
Das Reden kannst du dir sparen …
No hables dentro del agua.
No hables dentro del agua.
Je pige rien
quand tu parles sous l’eau.
Ti ho detto di non parlare sott'acqua.
Eu já disse para não
falar dentro da água!
Не разговаривай под водой.