The Mysterious Black Cat at Hogwarts

Introduction: [Time-travel + cat-changing + pseudo-aggression + single cp Hermione + warm daily life] The protagonist is not a virgin, she uses ruthless methods externally, protects weaknesses internally, and the IQ of all staff is basically online.The oriental black cat entered Hogwarts with mysterious power.There are so many ghosts in the school, I really want to eat one, the taste of the dementor is very good, Voldemort is dinner, so there is no need to run away!Centaur: The end of the bear, the destroyer of herbs, the nemesis of the acromantula, the unknown darkness... Tonight's sparks blinded my eyes.Macon: I'm an ordinary little black cat.