The protagonist, Lin Ziyun, suddenly stumbles upon a time-travel trend one day, only his own journey seems different. While others are gifted with systems or gods, he, on the other hand, is left with a fleet of fleeing soldiers and a single-function portal. The portal: Journey through countless worlds, grow yourself, and grow your fleet! The protagonist asks: MMP, why are all my enemies so powerful? Can't I just have some fun time-traveling fun?

"General, want to rent a monster? All Godzilla cubs are 20% off! We support custom orders of space dinosaurs, Mechagodzilla, and Unit-01 (fakes). Big orders, big discounts!"

Chen Shan traveled through the Pacific Rim world where monsters were rampant, only to find that he had become the most outrageous arms dealer - the owner of the Monster Editor!

What kind of mecha is fighting monsters? Too LOW! Chen Shan’s solution is: rent monsters and fight them!

With the god-level Creation Beast System in hand, from classic Godzilla to the space dinosaur Hyperzetton, from Mechanical Ghidorah to the stitched version of EVA Unit-01 (appearance limited edition)... as long as the money is in place, customizing monsters is no longer a dream!

Godzilla is just the beginning! Chen Shan's editor can create any monster you can imagine (or dare not imagine)! Attribute points? Skill customization? Appearance customization? It's all available! Build your own monster army and subvert the rules of the battlefield!

Grand Opening Sale! First order of Godzilla Cub special price 3 billion! Large quantity? Bigger discount! EVA color? Just add money! Mecha? Pre-order now!

Kangaroo Nation: Has Dragon Nation gone crazy? Selling off Class A mechas as scrap metal!

America: The Great Wall of Steel has been demolished? What's happening to the Dragon Country's coastline?

Maple Leaf Country: Holy crap! The Dragon Country coastline is full of monsters having a party!

Neon Country: Wait! Why are the monsters from Dragon Country...fighting with monsters from the Pacific Ocean?!

When the military leaders discovered that the mysterious "Monster Merchant" was actually their own rebellious grandson, and that he had just stuffed a fire-breathing Godzilla cub into a suitcase for "shipment"... the world was completely torn apart!

The era of the brain-opening monster editor has arrived! Chen Shan's Monster Supermarket is officially open!