"I have no intention of playing house with you." I’m supposed to seduce a man this handsome... You’ve got to be kidding! Letitia, the Second Princess of the Kingdom of Willet, lived a life of mistreatment at the hands of her stepmother and stepsister. Then, one day, her stepmother abruptly ordered her to assassinate Duke Sylvester, the strongest knight of the neighboring kingdom. With her ailing younger sister held hostage, Letitia had no choice but to marry the Duke and attempt to seduce him to get close enough to strike. However, the Duke turned out to be breathtakingly handsome and chillingly cold toward her. Yet, she couldn't afford to be discouraged. For her sister's sake, she was determined to win him over by any means necessary! "Won't you hold me... just this once?" When she made this bold move on their wedding night, the Duke’s reaction was completely unexpected... An otherworldly romance born from a dangerous yet sweet political marriage between a cool, invincible duke and an oppressed princess.