A fantasy action set in a world of Western films. One day the Nohara family, Kasukabe Defense Forces (Shinnosuke Nohara and his mates: Kazama-kun, Nene-chan, Masao-kun and Bo-chan), and other people living in Kasukabe City get lost in a world within a Wild West film, which is a city ruled by an evil governor named Justice. The time progression has been stopped there because the film is unfinished but people are losing their memories about the past little by little. To go back to their former world, the Kasukabe Defense Forces tries to defeat Governor Justice and finish the film before everyone loses their memories.

Set in a world of fantasy and adventure, Amon is a young warrior embarking on a quest to avenge the death of his mother. When the hunt leads him ultimately to the kingdom of Valhiss, Amon enlists in the ranks of the Emperor's army in order to gain an opportunity to exact his revenge. However, a chance encounter with the Princess Lichia, being held captive by the Emperor in an effort to ransom a map away from his main rival, King Darai-Sem, Amon must decide whether to follow his path of revenge or to help rescue the Princess in an effort to save a lost kingdom.

Kokone Morikawa has a strange napping disease that distracts her from reality, one that makes the world of her dreams and the real world near indistinguishable. In reality, she is an average high school student preparing for her university entrance exams; but in her dreams she is a magical princess of Heartland, a machine-driven future where the use of artificial intelligence is forbidden. Within the seemingly imaginary dreamland, Kokone discovers more about her family's past and the secret that her father, a talented mechanic, has tried to protect her from. However, as the events between two worlds intertwine, she must now protect the secret from villainous entities, both dream-like and terrifyingly real.

Apfelland is a small but beautiful country surrounded by Russia, Austria, and Germany. Vel is a boy who lives in the capital, Charlottenburg. He happens to help a girl Frid. She was kidnapped because radium mine was found in her grandfather's abandoned mine. Aiming at the radium mine, various people gather there, for example, an American who wants to make money, a Polish woman disguised like a man who wants to earn money for the revolution, and the ministry of Apfelland who plots to affiliate with Germany. Vel and Frida are involved in their plots, and they know the secret of the mine.