Higanjima - 48 Days Later is a Manga/Manhwa/Manhua in (English/Raw) language, SUGGESTIVE series, english chapters have been translated and you can read them here. You are reading Higanjima - 48 Days Later chapters on ManhwaZ, fastest updating comic site. The Summary is
The human army lost the battle with the vampires on Higanjima. Unable to prevent Miyabi's plan, Japan has become a vampire country. Six months later, there was a one-armed man fighting the vampires in abandoned Japan! The man's name is Akira Miyamoto. A warrior who had already tasted hell on Higanjima.