During his seven years at Hogwarts, Bai He didn't think he could have any thrilling stories with Draco. She once wrote in her diary: "Perhaps when I think about this period fifty years later, I will only think it was a dream."
But even the smartest witch can't predict the world. In the first year after graduation, Bai He returned to Hogwarts and became his teacher.
In the second year after graduation, the dark forces rose, and when the endgame began, she looked around her, and the boy was still in front of her.
Concept: Draco x original heroine