So... the brother fell in love with Lucrecia from the past who is sister/lover to HIS past reincarnation, and who also happens to look like his adopted sister in the present/future.
BJ, I hope I'm not too late when I say, I'm sorry that you have idiotic parents, and that you had to go through all that. You are worthy and Alex is there to show you that. We love you boo.
So... the brother fell in love with Lucrecia from the past who is sister/lover to HIS past reincarnation, and who also happens to look like his adopted sister in the present/future.
Right...
When put that way, it sounds really weird!