Demons are super-life-forms beyond human imagination. There aren't many of them, but they're exceptionally dangerous.
Some people may only ever see a demon on TV in their entire lives. For others, it's a live broadcast every day.
The second daughter of the Yukinoshita family, who died in a traffic accident five years ago, has appeared on the streets of Chiba alongside a string of mysterious deaths.
An unfinished work by Kasumigaoka Utaha, a once-famous novelist who hanged herself three years ago after a relationship went sour and her career hit a dead end, has quietly become a ghost story at a certain university.
Last night, a girl named Ichika told him that her four sisters had been taken by the Eight-Foot-Tall Woman several years ago.
Today, a girl who can transform into a Bomb Devil rang the doorbell.
Tomorrow is still part of some demon's plan.
Chigana Teimon will escape the demons.
But Shumateimon will set the world ablaze.