You Are the Star I Chase

She was bullied by others and tortured to death by her biological father. At the end of her life, she swore that even if she became a ghost, she would never forgive those who bullied her, and she would pay back double the amount! Miraculously, she returned to her freshman year of high school and found that she had gained powerful powers. Although he was born into a wealthy family, he was a spurned illegitimate son. He was cold and lonely, and had no contact with anyone. Ever since he met her, the black and white world finally gained brilliance - you are my only starlight and the reason for my pursuit!