The story begins with a typical Nobita bet: he insists that the legendary from Journey to the West is real. To prove it, Doraemon uses a Virtual Reality Video Game Simulator that allows the gang to step into the classic story. The Twist: A World Ruled by Demons
Here is a blog post putting together the history and plot of this classic 1988 film. Classic Flashback: When Nobita Became a Superhero (1988) D0r43m0n Th3 M0v13 N0b1t4 B4n4 Sup3rh3r0 1988 H...
The real trouble starts when Doraemon leaves the simulator's exit open in the past. Fictional demons from the game escape into the Tang Dynasty, conquering ancient China and changing history entirely. When the kids return to the modern day, they find a chilling "Parallel World" where their parents, teachers, and classmates have all been replaced by . The Heroes of the West The story begins with a typical Nobita bet: