The originally ordinary real world suddenly underwent earth-shaking changes without any warning. Characters from various well-known works, such as the monsters in "Journey to the West", the heroes of "Romance of the Three Kingdoms", the monsters of "Castlevania", the Pokémon of "Pocket Monsters", the ninjas of "Naruto", the pirates of "One Piece", the orcs of "World of Warcraft", the demons of "Diablo", the fighters of "The King of Fighters", the duelists of "Yu-Gi-Oh!", Etc., All come to the real world without any rules. These creatures from different planes work with humans to seize limited resources, and the real world instantly falls into apocalyptic chaos and crisis. At the same time, people discovered that after killing the residents of these planes, they would gain mysterious energy and special abilities. This discovery gave mankind a glimmer of hope in a desperate situation, and thus triggered more intense competition and adventure.
