After Rebirth, the System Forces Me to Become a God of Learning Every Day

[No CP + system + rebirth + academic master] Xu Zhiruan, who had stayed up late and worked overtime, opened his eyes and found that he was reborn during the winter vacation of the first grade of junior high school. And there is a guy who claims to be a god of learning system who wants to be bound to him. In this life, nothing she regretted has happened, and she can change the regrets that were a foregone conclusion in her previous life. But the system was urging her to learn what to do every day, so she could only be pampered by her own system. So she transformed step by step from an ordinary migrant worker to what others call a genius. Just when everything was slowly getting better, Xu Zhiruan suddenly discovered that a systematic entity had appeared in the enemy country...