Shizuku is looking for Tomoko, who disappeared on a rainy night a year ago. Based on Tomoko's final video call, Adashino has a guess about the Curiosity, but he has a few concerns. Oto wants to help Shizuku, so she begins her own search.
On the days when missing 
persons disappeared,
خلال الأيام التي يختفي فيها الأشخاص
An genau den Tagen,
an denen jemand verschwunden ist,
El día que una persona desaparecía,
El día que una persona desaparecía,
Le jour où une personne
était portée disparue,
Nel giorno della scomparsa di una persona,
Nos dias em que as
pessoas desapareceram,
В дни, когда кто-то
пропадал без вести,