Su Lan is a messenger from the distant Cold Crystal Star. She has shouldered an important mission since she was a child and set foot on this strange land of Earth. On Earth, she met the gentle and kind-hearted Xu Xichen, and experienced countless unforgettable times with him. However, as the threat of evil forces intensifies, Su Lan has to devote herself to the fight against them.
During the battle, Su Lan gradually discovered her true identity, which caused her to fall into deep trouble. At the same time, the blame from her family and the persecution from her tribe made her feel even more stressed. In order to protect Xu Xichen and her friends on earth, Su Lan decided to erase everyone's memory of her and take on the responsibility of fighting the evil forces alone.
Concept: The first is the growth process of the protagonist group. Then there is criticism and reflection on social phenomena, such as campus bullying, some stigmatization of depression and its abuse, etc. Finally, there is a discussion of human nature, such as extreme jealousy, greed, extreme worship, and moral kidnapping.