Regina?

Emma and Regina were a couple that met in college. They fell in love and got matching tattoos. They planned there life together but something bad happens. Emma saw Regina kissing someone else and didn't believe her when she said it wasn't her fault. Emma left Regina and moved away from her. Emma turned up in storybrook 10 years later because she is still in love with Regina. She does everything she can to win Regina back because she had finally realised her biggest mistake.