Your heroine is a twin. Her sister has come into her powers, married her soulmate, and is living the life she was destined to live.
Your heroine is null. She hasn’t come into the powers she was supposed to, she’s been on one bad date after another, and she hates her job. She’s having an absolutely horrible day, feeling extremely sorry for herself, and…what happens?
Why hasn’t she come into her powers yet?
What are her powers?
Who is your hero and how do they meet?
Does she come into her powers and if so, when? What happens to trigger them?