Rise of the Gemini Lycan

Sarah is a Gemini lycan, one of the world's most potent beings. She has been kept a secret from the public for her entire existence, but she is also one of the rarest.
One boy and one girl, both powerful lycans, are born each generation. Due to their strength, these twins are always killed shortly after birth. They can change at will, and if a stronger lycan kills them, they will take their place as the alpha and acquire the ability.
One of these lycans is Sarah, who has been kept secret for many years. She must now set out to find her twin brother, whom she was unaware she had. But when she runs into Easton, a lycan who has been ordered to assassinate her, things get tricky.
Sarah must now venture into the outside world in order to find her twin brother, whom she was unaware she had. However, the job is not simple because there are others who would assassinate her in order to keep her abilities a secret.
Sarah encounters Easton along the road; he has been assigned to kill her. However, they start to fall in love as they get to know each other.
Sarah must choose whether to put her trust in Easton or keep him at a distance. Additionally, she needs to figure out how to halt the forces that are attempting to kill both her and her brother.
Can Sarah remain alive and discover her twin brother? Or will Easton be able to murder her?