Kyoko Mizumori possesses a mysterious power: she can see yokai and spirits.

When her familiar apartment suddenly collapses, leaving her homeless, she ends up moving into the "Ryugu Hotel." Devoted entirely to her writing, Kyoko had always kept her distance from others—denying the very supernatural world visible to her own eyes. Yet through her new life at the Ryugu Hotel, as she naturally interacts with humans and non-humans alike, she begins to gradually transform.