Description: A disappeared teacher, an unexplained corpse, and a mysterious incident that reoccurs. It's been a year since the Burst Error incident. The memory of the tragedy has faded, and the world has regained peace. The same is true for Kojiro Amagi and Marina Hojo. The two continued to work in their respective responsibilities today, chasing each case. However, when these two paths intersect by accident, fate follows a new tragedy ...