The world is plagued by "Curses," monstrous entities born from negative human emotions that can only be fought using specialized supernatural energy. A secretive society of sorcerers maintains a fragile balance of power, battling an ancient conspiracy to forcibly evolve humanity through a series of ritualistic, lethal.JJK is about sorcerers using curse techniques to fend off cursed spirits, which are created from negative emotions. Most people use cursed energy through fighting with hands or cursed tools. You can be a clan member, civilian, sorcerer, curse, reincarnation, incarnation, or someone who rebirthed.