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.
gossip is a trivial issue, 
common among high school girls.
النّميمة مسألة تافهة، إنّها شائعة 
.بين فتيات المرحلة الثّانويّة
los chismes son un asunto trivial
entre estudiantes.
los cotilleos son un asunto trivial
entre estudiantes.
parlarsi alle spalle è un problema piuttosto
comune tra le studentesse delle superiori.
fofocar é coisa trivial, 
comum entre alunas.
сплетни — пустяковая проблема,
распространенная среди старшеклассниц.