My Wife Is a Lucky Star

She, an ordinary office worker in modern times, accidentally traveled to ancient times and became a concubine in the Qin Mansion. However, my aunt died early and my father was not happy about it, so my aunt was on guard. In order to survive, she ate herself into a little fat girl. But when she reached the age of marriage, her aunt wanted to marry her off to an old general as her stepmother. How could this work? There are only three options before her now. One is to marry into the General's Mansion as a stepmother. She doesn't need to think about this, just go ahead. One is to marry the eldest son of the prefect as her wife. She heard that the man is full of all kinds of poisons, and she wants to live for two more years. The other one is the eldest son of the concubine who is married to the Prince of Chu. She has also met Chu An, and he is considered honest, so he is the only one. But after they got married, Shuangfei realized that she had made a mistake. Can this marriage be divorced?