Harry Potter: The Eternal Bond of the Malfoys

The original work is not so thrilling. What role does the heroine play? Give DLK a little hope and correct the correct view of DLK in advance? It also affected the development of the plot, causing the plot to happen in advance, everything developing in a different direction, and making Dlk suffer so much! Isn't it unnecessary? It's better that the heroine didn't come.