How did we end up as soulmates ( a catra x adora high school au / soulmates au

What if on your seventeenth birthday everyone got the name of their soulmate on their right wrist. Well it just so had been adoras seventeenth birthday that day........ She would never know that the name on her wrist changed her life. It just so happens to be catras seventeenth birthday a week after that...... And...