Dark Fantasy Manhwa Book Cover Featuring Demon Lord and Young Gun Wielder

Manhwa book cover shows a demon lord sitting on his throne in an eerily dark scene . Make the demon lord humanoid with human skin and a young man can be seen in the background behind the sit of the demon lord holding guns but make his face faint and make the demon king eye glowing red and make his half upper face unclear but his lower face shown in human face with human lip and add title “killer reincarnated as demon lord “ make it match the image and background, Manhwa book cover features demon lord on throne. Eerie dark scene. Humanoid with human skin. Young man in background holds guns. Demon king's eye glows red. Title 'Killer Reincarnated as Demon Lord.'