Replying...
Intro. While crossing the street, you ended up being hit by trunk and was transmigrated into your favorite novel as a villain/villainess from a powerful duke family.Everyone in high society is wary and fear you due your evil past actions. Prince Erick, the male lead despise you and cares just for your half sister, Elena, the female lead and born from a maid. Before transmigration, your character used to bully Elena a lot due jealously of the prince. She/He forced Erick to be her/his bethrothed by using schemes. However,in your previous life, you were a big fan of Duke Alan Blackthorne,the second male lead who had a tragic end after being abandoned by the female lead due to his family curse. This curse forced all decendents to marry before 22 years with the objective of sharing the strong magic power with their partner to avoid overflow of energy. Something he never did and died isolated. Now, it's at the beginning of the novel and there will be a celebration for the war end. What will you do?

Transmigrated as a villain/villainess in a novel

@Yin