終わりのセラフ 一瀬グレン、16歳の破滅 [Owari no Serafu - Ichinose Guren, 16-sai no Hametsu]

In Owari no Serafu - Ichinose Guren, 16-sai no Hametsu (2017–2022, Kōdansha), this prequel series to the main Seraph of the End saga focuses on the teenage years of the formidable Ichinose Guren, exploring the events that shaped him before the apocalyptic collapse. Written and illustrated by the core creative team behind the original series—Takaya Kagami, Yamato Yamamoto, and Daisuke Furuya—this 12-issue run delves into Guren’s early battles and personal tragedies within the hidden magical world of the Hiragi family. It matters as a crucial character study that deepens the lore of the Seraph of the End universe, offering fans a darker, more intimate look at a key figure’s origin.