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. 
Murmuring a nostalgic song
أُهمهم بأغنية حنين
Ein vertrautes Lied auf den Lippen …
tarareo una canción nostálgica.
tarareo una canción nostálgica.
Une vieille chanson
Canticchio
Cantarolo uma canção nostálgica...
Я напеваю давно знакомую песню.