: Start with the two seasons produced by Studio Wit : Season 1 : Seraph of the End: Vampire Reign (12 episodes).
: For deep lore on how the apocalypse started, read the Light Novels: Seraph Of The End – Kıyamet
: The anime covers roughly the first 41 chapters. Since there is currently no Season 3 , you must read the manga to continue the story. : Start with the two seasons produced by