The Knight King Who Returned with a God Manhwa
Alternative Titles: 신과함께 돌아온 기사왕님
The Knight King Who Returned with a God is a Manga/Manhwa/Manhua in (English/Raw) language, manhua series, english chapters have been translated and you can read them here. You are reading chapters on MangaRolls fastest updating comic site. The Summary is
After three hundred years of hunting demons in the otherworld, I finally returned to Earth, but I was not alone.