Midnight Syndrome

Kamimai-cho is a rural town surrounded by mountains and the sea. One day, Ponzu Fujita, a high school girl living there, is asked by Tomomi Nekoya, a junior high school student Ponzu reluctantly takes her friend, Mayu Mayu, to a late-night school in Kirishita, where they play "Kokkuri-sama". Ponzu reluctantly decides to play kokkuri-sama with her friend Mayuka Kirishita at school late at night. However, from that day on, they frequently encounter mysterious phenomena. What will happen to the girls? Will they make it through the summer in one piece?