Kasumi Kawamura just wants to finish university and rebuild her relationship with her girlfriend. Then a strange epidemic begins spreading through the city — Nightmare Syndrome, which robs its victims of motivation and fills their sleep with terrible visions. At the same time, an old injury Kasumi thought had healed starts burning again, and the people around her begin experiencing frightening waking visions. Caught in the center of the outbreak and unable to rule out her own involvement, Kasumi and her friends search desperately for a cause and a cure. A horror mystery visual novel about guilt, connection, and an epidemic that might be personal.