Kusakabe Yuki overhears some girls saying mean things about her. Gossip is not an uncommon problem among high school girls, but Yuki is particularly worried that it's happening because she's a demi. Tetsuo is sympathetic to thr concern and makes up his mind that, as her teacher, he must protect her. Hikari, a fellow demi, feels the same way.
You can't look at things in only one way.
.لا يمكن النّظر للأشياء من منظور واحد
Es genügt nicht, nur eine Seite
der Medaille zu kennen.
No puedes ver las cosas
de una sola manera.
No puedes ver las cosas
solo de una manera.
il faut la regarder
sous les deux angles,
Non si possono vedere le cose 
solo in un unico modo.
Não dá para encarar tudo de um jeito.
Нельзя смотреть на вещи
только с одной стороны.