Double wear + (Anti-Japanese War, City) + cool writing, don't abuse the main character, and have a great time all the way to the end.
The protagonist possesses a time-travel system and obtains "Jarvis" level artificial intelligence at the beginning, thus starting an era of rapid development.
In the world of the Anti-Japanese War, the protagonist keeps bringing back weapons from modern times and begins dimensionality reduction strikes.
Ayi: "Captain, we want to eat noodles!"
Lu Chen: "What nutrition does that stuff have? How about we eat pork stewed vermicelli!"
Dead: "Captain, why don't you give them some tricks?"
Lu Chen: "Don't make trouble, how many oceans are there in a month? What a waste of life! I've got a cannon for you, you can just blast it as hard as you can and it'll be over."
