Chapter 18 (Catastrophe)

Chapter 18 is the eighteenth chapter of the Seraph of the End: Guren Ichinose: Catastrophe at Sixteen manga.

Characters
List of characters in order of appearance:
 * Guren Ichinose
 * Shinoa Hīragi
 * Mahiru Hīragi
 * Asuramaru (Nightmare)
 * Shinya Hīragi (Flashback)
 * Mito Jūjō (Flashback)
 * Norito Goshi (Flashback)