She fell in love with her sister's lover, but that was the only relative she depended on for life. She still didn't know what she had done wrong until she was pushed to hell by her sister. When she lived a humble life dependent on others, and when she finally got married to the person she loved, she realized that everything was wrong.
In order to take revenge, she seduced her sister's husband and even used any means to sell her body and even kill her own flesh and blood. But she also caused other people's families to be destroyed. How much more must she pay to repay her sins after being tortured by the poison all day long?