All comics are Japanese original version, and written in Japanese. I cordially answer it. This is an item from Japan.
Seraph of the end - Vol 24 - ISBN:9784088826783
Owari no Seraph of the End Comic Manga vol.1-31 Book set Yamato
終わりのセラフ(Owari no Serafu), Genre, Dark fantasy, Post-apocalyptic, Vampire, Written by, Takaya Kagami, Illustrated by, Yamato Yamamoto, Published by,
Seraph of the end Vol.4-Official Japanese Edition
Seraph of the end (Owari no Seraph) TV Animation
Chapter 30 (Catastrophe), Owari no Seraph Wiki
Yamato Yamamoto manga: Seraph of the End / Owari no Seraph vol.8 Special Edition. This is an official product, not bootleg. Printed in Japan. Japanese
JAPAN manga: Seraph of the End / Owari no Seraph vol.8 Special Edition
D D Cosplaymikaela Hyakuya Cosplay Costume - Seraph Of The End
Chapters and Volumes, Owari no Seraph Wiki
Manga: Owari no Seraph
Seraph of the End (Owari no Seraph) 28 – Japanese Book Store
Watch Seraph of the End: Vampire Reign - Crunchyroll
Owari no Seraph of the End Comic Manga vol.1-31 Book set Yamato
Watch Seraph of the End: Vampire Reign - Crunchyroll