Reylo, a Blood + AU:

Rey and Kira are twins of an extinct monstrous species. Despite being siblings, their BLOOD are deadly to each other.

Ben Solo, Rey's loyal Chevalier. Together, they hunt Kira and her Chevaliers across decades to save and protect humanity.

I'm writing this AU. If anyone is interested in this thread, I can post the rest of the characters and therir descriptions. To give an idea what this story will be about .