Monsters Invade, and the Whole Country Builds Wanderer Mechas!

In the year 1480 of the Dragon Kingdom, the first Kaiju Beast "invader" attacked Los Santos, officially starting the era of monster invasion! For decades, humans have built giant mechas called "Mecha Hunters" to try to compete with the monsters! In the year 1502 of the Dragon Kingdom, the last line of defense of the Blue Star Alliance was breached by monsters. Human civilization was completely destroyed and reduced to the dust of history! ... Genius researcher, Chen Yang, traveled back to 22 years ago, on the eve of the first monster invasion! His memory has become the most precious treasure of all mankind! The first thing Chen Yang did was to gain trust at the national level, start the Dragon Kingdom mecha project, and use the whole country to build a giant combat mecha! A month later, monsters invaded Blue Star in large numbers. When other countries were devastated, cities turned into ruins, and people were crying in fear... On the coastline of the Dragon Kingdom, a giant mecha fell from the sky! Chen Yang piloted a mecha, walked on the waves, and killed the Kaiju beast with one sword! "Danger Wanderer, attack!" This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.