Shu enters his hideout for a quiet lunch only to find Inori, his #1 musical crush, bleeding on the floor. After he fails to stop her pursuers from hurting her more, his one shot at self-respect is to deliver a strange vial she stole to her terrorist pals.

Inori's been kidnapped by forces intent on performing a secret ceremony, and the only way for Shu to get her back is to remember what really happened on December 24th, 2029.

The Fourth Apocalypse is upon us.