A Royal Rebirth

Lucy’s strong desire takes her back in time after she was hit by a car and died, she gets reincarnated into a 19 year old yet she still keeps her old life memories.
She goes to the university where she falls madly in love from day one with someone who has a mysterious identity. They are inseparable. She makes friends at varsity but one of them will turn out to be her enemy.
He takes her along to introduce her to his family and they reject her on the basis that she isn’t their kind plus there is an ancient agreement through which her boyfriend is already betrothed to someone else. Not only does Lucy discover her lover is an heir apparent to the throne but that he is also a shifter.
Still shocked and confused about her findings, she also discovers that she is also not human as she believed all her life. She has to go through a lot to uncover secrets upon secrets. Will she lose her great love or will she win the battle that threatens to lead to war?