When Arata moves to the eerie coastal town of Umigawa after a tragic loss, he encounters a strange fog that haunts the town with whispers and unsettling visions. As he struggles to adapt, he meets Mei, a mysterious girl who seems to know more about the fog than she lets on. Despite warnings to stay away, Arata is drawn deeper into the town's dark secrets, where the line between reality and illusion blurs. As he uncovers the town’s hidden past, he must confront the truth behind the fog’s sinister power, even if it means risking everything—including his own sanity.
