In Buso Renkin, Kazuki is killed one night saving a mysterious girl, wakes up and find it was a dream.
In Pumpkin Scissors, a ceasefire put an end to the long war between the Royal Empire and the Republic of Frost.
In Crescent Love, an attempt to colonize the moon ended in a disastrous war, killing more humans than any other in history.
In Black Blood Brothers, during the Hong Kong Crusade, an Old Blood vampire fought and conquered.
In Spider Riders, Hunter is suddenly transported into the fantastic subterranean world of Arachna.
In Kyoshiro to Towa no Sora, Kuu enjoys school life in the giant city Academia, which is thought of as a symbol of recovery for humanity.
In Tokyo Majin Gakuen Kenpuchou Tou, people that are disappearing at night suddenly reappear during the day as a corpses.
In GR: Giant Robo, mysterious and huge robots called “Giant Robo (GR)” started to appear all over the world and destroy cities.
In El Cazador de la Bruja, Nadie, a bounty hunter, is searching for a girl named Ellis in a small town in Mexico.
In Claymore, despite saving humans on a regular basis, Claymores are often alienated from and feared by humans.