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.
No matter what it takes, 
I will return you to your world.
.سأعيدك لعالمك مهما كلّف ذلك يا أوتو
ich bringe dich in die alte Welt zurück,
koste es, was es wolle.
pase lo que pase,
te devolveré a nuestro mundo.
pase lo que pase,
te devolveré a nuestro mundo.
je finirai par te ramener un jour
dans ton monde.
Non importa quanto ci vorrà,
ti farò ritornare nel tuo mondo, Oto.
Te garanto que vou te
devolver ao seu mundo, Oto.
Я обязательно помогу тебе
вернуться в родной мир.