Yeon-Woo, the heir of the organization Sipgangpa, disguises herself as a boy to infiltrate an all-boys school and eliminate the heir of the rival organization Makgangpa. However, as she catches the attention of a handsome trio, romance begins to blossom in her used-to-be noir life. One of the three is apparently the heir of Makgangpa—will Yeon-Woo be able to complete her mission without falling in love?
Rosia Vear, a modern party girl who enjoys clubbing and flirting with handsome men, has an accident and transmigrates into a fantasy female-dominated world. She awakens as a dying non-kin princess who has four beautiful male consorts. With her life counter at zero, she discovers she can extend her lifespan by successfully conquering the hearts of her four male consorts. As a modern woman experienced with men, she believes this will be easy. However, she soon realizes that her consorts aren't the simple, submissive beautiful men they appear to be...