Why Did Things Become Like This After Being Adopted by My Sister?

Nineteen-year-old Xue'er escaped from that "home" because she had a special bloodline accompanied by superpowers and could not be discovered by others, otherwise she would be involved in unknown organizations and would be arrested and studied. She had no choice but to start a life of wandering and hiding. From meeting, acquaintance, and being taken in by Xinyao, she thought she could grow old together. Until one day the secret of Xueer's special bloodline was discovered by Xinyao, and Xinyao gradually understood the hidden secrets of this world... Soon, the peaceful life was broken and a different life began.