It tells the story of the heroine Fujikage's emotional grievances between this life and the next.
She couldn't be with him in the afterlife because of her mission, and he implanted the crystal staff she protected into his body in order to take her away.
He blamed her for her inseparable mission and her disregard for him/and she met him again in this life for her mission. At that moment of meeting, everything changed again.
Moreover, the heroine meets Locke, the Duke of the Nameless Kingdom, who is deeply in love with her, and Ji'an, the possessive cactus prince, leaving her wandering on the cliff of love.