Seraph O/T End Guren Ichinose Catastrophe At Sixteen GN Vol

Prequel to the hit manga series, Seraph of the End! Detailing the events before the apocalypse, 15 year old Guren Ichinose enrolls at Daiichi Shibuya High, a magical training school. Witness his trials as he must hide his true strength even as he is trampled on at a school for the insufferably privileged.