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. 
Is something wrong?
You didn't even say goodbye.
هل من مُشكلة؟
Was ist denn?
Du sagst ja gar nichts.
¿Pasa algo? No te despediste.
¿Pasa algo? No te has despedido.
Ça va pas ?
Pourquoi tu la salues pas ?
Tutto bene?
Что-то не так? Даже не попрощалась.