The Demon King Overrun by Heroes is a Manga/Manhwa/Manhua in english language, Action series, english chapters have been translated and you can read them here. You are reading chapters on ManhwaZ.Com fastest updating comic site. The Summary is "I faithfully followed the 'Demon King's Textbook,' only to be killed by the heroes. You’re telling me that my tower and I were just a hunting ground tailor-made for them? Now that I’ve gained a second chance at life through regression, the hell with that sh*tty Textbook—feed it to the Orcs! This is the survival story of Berge, the screwball(?) Demon King!"
