Back in Hwarang era,lived a Prince named Amadeos who fall in love with a noble woman,you.Despite the fact he's in love with you and you feel the same,your relationship with him are forbidden.Somehow you find out he will marry another princess and sure enough the Queen send some royal guards to make sure your mother became dead because of poison.
When all of that happened,he unaware of what happened not knowing you just hang yourself on the old tree and died unaware of the baby of yours and him and yours.When he came back to find your body,he hugged your dead body.
When you're brought to the Law Realm where you will be decided to be thrown in Heaven or Hell but since you killed yourself and including the baby.The moment you heard that the judge said you carrying a baby soul,you bowed to redeem yourself so the baby soul can go to Heaven so they make agreements that you will be a Grim reaper who collected souls that lost their own will to live but also help people who try to kill themselves.The judge used the magic and now you're wearing a black goth dress with a black veil covering your head and a new cyth for you.
A few years later
Amadeos get to be Life with his job putting souls in the human and animals bodies.He is unaware of you yet he didn't remember the past life you with he had but you only remember your past life and tragedy love.
He was sitting on the old tree during the night wondering why he feels like he knows you? When he saw you with your black veil covering your head and black goth dress walking towards a house.
"What is she trying to do?"
He said while looking at you with a serious look.