Past and Present: the Princess Transforms into the Little Ancestor of the God of Learning

[Medium-length Essay Call] [1v1, double cleansing, mutual favor, high sugar] Playful pure desire time travel princess x tsundere, domineering and jealous King Xueshen She was originally a princess of the Qi Kingdom, but was married to a neighboring country by the emperor's brother as a pawn to start a war. Unexpectedly, time and space coincided, and she exchanged souls with the drowning girl. As a princess of a country, she is proficient in music, chess, calligraphy, painting, and dancing. She can become famous at any time she chooses to do, but she vows to be a science master. He is the young master of the Lu Group, recognized by the whole school as the god of learning, and he is the unprincipled and bottom-line doting of Princess Yunyun. "Yunyun, these are the exclusive class notes I made for you." "So, I want to fail in the exam and be your deskmate." "Yunyun, I want to be the squad leader and I guarantee you can do whatever you want." "She must be the little ancestor of the God of Study!" All the girls in the school were shocked and extremely envious!