Now that it is clear that Mei is a Tamayori who can see ghosts, she decides to help Syunso find the black cat that became a divine spirit and left his painting. While conducting their search, Mei and Syunso happen to run across Koizumi Yakumo and Izumi Kyoka and Yakumo asks Mei for her help in investigating some paranormal happenings at his hotel. The ghost, it turns out, is likely a childhood friend of Yakumo's. Ougai is against the investigation out of concern for Mei, but she insists on helping regardless.

Mei and Syunso bump into Yakumo while out searching for the black cat. When they find out that Yakumo is going to a café where lots of cats tend to gather, they tag along with him. Along the way, they happen across Kyoka who is arguing with an unfamiliar man in front of a mail box. Not long after, they also run into Otojiro, and somehow the whole group ends up going to the café together. However, upon their arrival at the café...