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.
Because I promised...
...لأنّي قطعتُ وعدًا
Weil ich ein Versprechen
zu halten habe.
Porque lo prometí.
Porque lo prometí.
C’est une promesse que j’ai faite.
Perché ho fatto una promessa.
Porque fiz uma promessa.
Потому что я обещала...