The female MC transmigrated into an child into the 1970's or 80's in China. She has no brothers or sisters, but plenty of cousins, one of which is reborn with a chip on her shoulder. When she transmigrated, she also gained a learning system that with turn her into a top student, even though she was a scum student in her previous life. Her parents and her are all lazy and only do enough work to get by. One day going home with her father, they find a child floating down the river in winter. Her father saves him, and he later becomes the ML. The ML is an unwanted child after his father remarries, so he mainly lives with his grandfather. The reason he came near their village was to find a relative of his mother who was sent to the countryside. At first, the MC does everything she can to avoid using the learning system, which she can use while her body sleeps. After revealing some knowledge that she already has, she is considered a genius and skips several grades to go straight to third. She eventually starts studying diligent to keep up her reputation as a genius. The MC and her family slowly gain money as they do small businesses even though it's not legal yet. Eventually they move to town and the MC also starts showing more of her abilities like creating the first color tv in China after being taught in the system.