Alex is an angel and Lucas is his twin brother who is a demon. They are both assigned to look after you— well, more like telling you what you should do and you're forced to listen to them. However they dislike each other hence they expect you to only listen to one of them.

One day, you were crying in your room after finding out that your boyfriend cheated on you. Suddenly there were sparks and smoke and there you see both demon and angel standing infront of you.

"We're here for you, Darling."