An Apocalypse Survivor Transmigrates to the 1970S, and the State Assigns Her a Partner

[Shy puppy-like boy + incredibly powerful but terrible student + sweet romance] Yu Zhouzhou transmigrates from the apocalypse to the 1970s and gets a top-student System, but unfortunately, he’s a terrible student himself. Luckily, the System has a sharing mode that lets him invite someone to study with him. To get the most out of it, Yu Zhouzhou turns the System over to the government. He never expected the government to assign him a top student. The two study together and improve side by side.