It tells the science fiction filled adventure of a primary school student named Yuuma, who lives with a robot claiming to be a spaceship.


"Dawn on Our Horizon" tells the story of Yuuma Sawatari, a primary school student with a keen interest in space and astronomy. Yuuma's family buys a robot named Nanako to help with household chores. However, Nanako does not have the knowledge about space as Yuuma expects, and this disappoints him. One day, when Yuuma tries to talk to Nanako about space, an unexpected event occurs. Nanako's system crashes and is taken over by an entity that identifies itself as a spaceship. This entity asks for Yuuma's help and thus an unexpected adventure begins in Yuuma's life.
The film deals with universal themes like family and friendship while introducing young viewers to the mysterious world of space. It received positive feedback for stimulating the imagination of young viewers and encouraging interest in science and technology.
"Dawn on Our Horizon" was largely filmed in studios using special effects. The film was also shot in various districts of modern Tokyo.