He and she were childhood sweethearts who grew up together.
Because of a magical clover, she came to this time and space called "Mirage"
But she unexpectedly found out that he was here too and had become another woman's fiancé!
What will she do when faced with him who has become strange, cold, and no longer familiar to him?
Are the two of them destined to separate?
Is there really God's will in the dark?
Do the ancient gods really have the power to defy heaven?
Can the legendary blood array turn things around?
Is all of this real, or is it a dream, a mirage that does not exist?