Mysterious Disappearances
A Curiosity, a Maid, and a Cultured Young Lady
S1 E6:
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.