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.
I believe that mental weakness
أعتقد أنّ نقطة الضّعف الذّهنيّة تلك
Ich denke, die Mentalität
der Verleumdung
Creo que esa debilidad mental
Creo que esa debilidad mental
Les personnes médisantes
ont souvent un sentiment d’infériorité.
Probabilmente, è la loro insicurezza
 a spingerle a parlare alle spalle.
Creio que essa fraqueza mental
Думаю, психология тяги к сплетням