Wanton Kiss

In order to get out of the engagement, her fiancé asked her to seduce his brother, a violent and tyrannical economic leader of the empire that no one dared to offend. When she stood in front of him in cool clothes, he kissed the soft hair on her forehead and smiled instead of being angry: "Good little sister, call me brother and listen." (Hypocritical and yandere boss vs. Down-and-out aristocratic lady)