Sweet Dream Succubus: Nightmare Edition is the remastered/updated version of an erotic interactive visual novel, created by a collaboration between well-known erotic artist Doxy and popular cosplayer and model, Swimsuit Succubus. The new version features additional content with updated and improved artwork.

The game follows a human in a seemingly never-ending cycle, reliving the same three days over and over again, all while trying to escape from the clutches of a devilish and sexy succubus assailant.