Growth-type heroine + growth-type system
Su Qingqing took the system and traveled through time to become a cannon fodder in the 1970s.
"Qingqing, I have connected you to the latest technology in the world today. Do you want to start secretly transmitting data?"
"Of course, upload it immediately! Also, how can knowledge be called stealing? It should be called taking!"
Su Qingqing originally wanted to pretend to be a pig and eat the tiger, but the system was too powerful. Accidentally, Su Qingqing became an industry master.
I've read a few chapters, it's pretty good