The curse of Tsukuyomi's Water of Youth hasn't finished with Sumireko yet. Meanwhile, Adashino's younger sister, Oto, picks up on the presence of a Curiosity at the school she attends. Sumireko poses as Oto's friend in order to infiltrate the school.
is a trace left behind by something that 
happened—a sense of something wrong.
...أثر خلّفه حدوث أمر ما
.إشارة على أن هناك خطبًا ما
So was wie ein unbehagliches Gefühl,
dass hier etwas … vorgefallen ist.
indica que aquí pasó algo,
algo que falla.
indica que aquí pasó algo,
algo que falla.
une sorte de perturbation
qui montre qu’il y a eu quelque chose.
è ciò che rimane dopo che accade qualcosa di brutto.
é um rastro deixado por algo que aconteceu
– uma sensação de que algo está errado.
остался зловещий след
недавнего инцидента.