Doom Summoner is a Manga/Manhwa/Manhua in (English/Raw) language, Action series, english chapters have been translated and you can read them here. You are reading chapters on www.mangageko.com fastest updating comic site. The Summary is
As The sky turned blood red, demons of the other world began to invade the earth. Wen Yu who died miserably is reborn back to the first day of the post-apocalyptic world. He switches to a special profession, Soul Master and begins his journey to change his fate in his second chance at life.