My Girlfriend Who Is a Top Student from Another World

Gongye Donghao is an ordinary high school student. One night, when he came home from evening self-study, a space crack suddenly appeared in front of him. A girl about his age lay on top of him and fainted. Gongye Donghao had to take her home. When she woke up, Gongye Donghao found out that she was a top student. So what kind of sparks would a scumbag have with a top student?