The story of Plamo-Kyoshiro is about Shiro Kyoda, a young boy from Tamiya City and a student of the Bandai Elementary School. Shiro is an enthusiast of plastic model kits and "Plamo Simulation", a plastic model battle game. Shiro's dream is to become the representative of Japan in the World Simulation Tournament and be able to fight in the finals in the Battle of Hobbytopia. In addition to that, the manga contained original designs that would later inspire the Mobile Suit Variations and BB Senshi series.