Humanity's desperate battle to reclaim the Earth from Godzilla continues. The key to defeating the King of the Monsters may be Mechagodzilla, a robotic weapon thought to have been lost nearly 20,000 years ago.
Five girls work in the tourism bureau of their small provincial town. The town revives its "micro-nation" tourism program, which originated from a nationwide movement during Japan's bubble economy period, and hires the five girls as "monarchs" (tourism ambassadors).
The story is about a teenage boy who happens to be a shougi master. One day, a nine-year-old girl turns up at his house, requesting to be taken as his disciple. From there, all kinds of wacky hijinks ensue.