The heroine's identity is Bo Jinyan's younger sister, and the character design is a bit cliché, but it is just to make Jun laugh, and also to give Fu Ziyu a perfect ending in his heart.
Considering that the heroine is Bo Jinyan's sister, the plot line of this article should replace Jian Yao, who was kidnapped by Xie Han, with the heroine. The emotional line is when the heroine and Fu Ziyu try their best to bring Jian Yao and Bo Jinyan together. The article is more comedy style.