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.
They say vampires attack humans at 
night, under cover of darkness.
يقولون أنّ مصّاصي الدّماء يهاجمون 
.البشر تحت جنح ظلام اللّيل
Man sagt, dass Vampire nachts im Schleier
der Dunkelheit Menschen angreifen.
Dicen que los vampiros
atacan a los humanos en la oscuridad.
Dicen que los vampiros
atacan a los humanos en la oscuridad.
Pourquoi dit-on qu’ils se cachent
dans les ténèbres pour attaquer ?
Nelle leggende, i vampiri attaccano
gli uomini con il favore delle tenebre.
Dizem que vampiros atacam 
de noite, sob a escuridão.
Говорят, что вампиры
нападают на людей под покровом ночи.