Mysterious Disappearances

1 - "Mysterious Disappearances - S01"

2 - "Mysterious Disappearances - S01"

3 - "Mysterious Disappearances - S01"

4 - "Mysterious Disappearances - S01"

Sumireko looks after Oto while Adashino is away. They go to Oto's school where Sumireko revels in the joys of youth. She and Oto run into Uname and spend the evening with her. But their peace is short-lived as the shadow of a new Curiosity draws near.

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.

The hong yi xiao nu hai has become a Curiosity which kills the living who answer their knock at the door. But that isn't all. When Shizuku learns the conclusion that Sumireko and Adashino have come to, she steels her resolve and does the unthinkable.