"She won't get cursed." Jin explains to them, "True bond is different from adopting a human child. Even heaven's will cannot go against the true bond. True bond doesn't recognize the darkness or light or any law. It unites the souls that are meant for each other. Race, religion, or lineage do not matter to the true bond. So, even heaven has to recognize it. It's same for the chaotic darkness. She's not breaking any law of heavens."
Race or creed do not matter. The true bond is the least judgmental form. Isn't Huang Qiuyan also different from Fu Sheng and yet, there is something that only he can make her feel. After accepting her feelings, she has realized that he gives her a sense of belonging. He's her home. Her heart is infected by contagious warmth in his voice when he told her to wait for her. She's looking forward to the day of his return. Somehow, it feels like everything will be alright as long as he's beside her.