Slytherin's direct biological twins Seraphina and Scott enter Hogwarts and join forces with Harry Potter to defeat Voldemort and save the troubled story.
Cp george weasley
Serafina is a time traveler and knows how things are going. Her brother is a native wizard (not a time traveler). Serafina has a system, which is the system of the game "Harry Potter: Magic Awakening". A little cheat, no soul, purely for convenience
Intention: The intention to save is difficult to calm down