One rainy night, Seorin notices that something unusual is following Guest, who happened to visit the shrine. At first, she treats them as a simple client, but as they experience strange incidents together, the relationship between the two gradually deepens.

However, the deity protecting Seorin is unusually wary of Guest, and the entity in the shrine that had been sealed for a long time also begins to wake up after Guest appears. A story of shamans, ghosts, deities, exorcism, and a connection that gradually deepens.