After HP shared the dream, Lao Fu was conquered by me

[Harry Potter Fanfiction] [Tom Riddle x original heroine; pure blood from another world x evil devil; two strong villain lovers; system; mainly to make up for regrets, many emotional lines, secondary emotional lines: Harry, Draco, Cedric, Lupin] —————— Lamia promised that she was just to return to the time before death and fulfill her great ideal. As for drinking blood, it was all for survival. If she wanted to blame someone, she could only blame the blood of wizards for attracting her too much. As for why "food" always clings to her, Lamia: masochism. —————— Many years later, the wizarding world was in harmony, "Why did you only drink this today...