There was a eathquake called "Shibuya shake" and story takes place 6 years after this event.
Story is in 2015 October in Shibuya.

Miyashiro Takuru from Hekiho School is a member of its newspaper club.
He loves gossip.
One day he gets info regarding multiple cases.

One was about someone beheaded LIVE on Internet.
One person was killed while singing in the street live.
And one was hanged in a hotel from the ceiling

Miyashiro noticed some facts while investigating the incident.
He has realized that this is the nightmare that happened 6 years ago and it is coming back again.