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.
Good day to you, Onee-sama.
.طاب يومك يا أوني-ساما
Buongiorno, amica mia.
Bom dia para você, Onee-sama.