This Time I'm Going to Take the Academic Route

Male protagonist version Song Yanzhi feels that he is the chosen one. As long as he encounters obstacles that he cannot overcome, he can go back to the past and prevent himself from getting into trouble again. This time he evaded all the hidden arrows, overcame all difficulties, won the victory, and was about to enjoy the fruits of victory. But, he went back to the past again? ! One day, he discovers that he is not the one who holds the key, he is just the one who retains the memory. But why doesn't the person holding the key change anything no matter how many times he goes back? Song Yanzhi felt that it was time for him to take action. Female version With the learning system in hand, Wen Qing has gone from being a top student to being a street bully. She doesn't want to study hard, she just wants to give up on herself. Finally one day she woke up and realized that she would study hard and make progress every day, and this time she would take the academic route. Wen Qing, who had been a bad student and a street bully, has gone further and further on the road to becoming a top student. But, the new neighbor is strange. When she went to the rooftop to endorse, why did he always follow her and watch?