Here are some recommended ancient romance novels with the theme of "先婚后愛" (marriage before love):
1. "世婚" by 意千重: This novel tells the story of a woman who is reborn and marries into a prominent family, but her marriage is without love. Through her journey, she strives to bring happiness to others and find her own happiness.
2. "罪妻" by 藍(lán)艾草: This novel explores the relationship between a husband and wife who marry first and then fall in love. It delves into the complexities of their marriage and the growth of their love over time.
3. "閣臣夫人日常" by 此花與汝: This novel follows the daily life of a wife married to a high-ranking official. It depicts their initial marriage arrangement and how their love gradually develops.
4. "一表三萬里" by 吳若離: This novel revolves around a marriage between a man from a wealthy family and a woman from a humble background. It explores their journey from marriage to love and the challenges they face along the way.
5. "嫁給假紈绔" by 閑中醉: This novel tells the story of a woman who is forced to marry a seemingly frivolous and irresponsible man. However, as they spend more time together, their relationship deepens and love blossoms.
These novels offer engaging stories with the theme of marriage before love in an ancient setting. They explore the complexities of relationships and the growth of love over time.