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. 
And when she's happy, it seems like she's 
happy from the bottom of her heart.
وعندما تكون سعيدة، تبدو وكأنّها
سعيدة من أعماق قلبها
und wenn sie sich freut, dann kommt
das bei ihr aus tiefstem Herzen.
como si estuviera contenta de corazón.
como si estuviera contenta de corazón.
et elle paraît sincère
quand elle saute de joie.
e quando è contenta,
 lo sembra proprio dal cuore!
E quando ela fica alegre, parece que
ela tá alegre de coração mesmo!
И даже радуется
от всего сердца!