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. 
Just go back to the other classroom.
عودي إلى الصفّ الآخر
Also geh zurück nach drüben.
Du hast doch selbst Unterricht.
Vuelve al salón contiguo.
También tienen clase.
Vuelve aquí al lado.
También tienen clase.
Retourne dans ta classe.
Tu as cours, toi aussi.
Fa' la brava e torna nell'aula accanto.
Então pronto, volta pra sua sala.
Vocês também estão no meio da aula.
Иди в соседний класс.
Там ведь тоже урок.