Started as a normal morning between 2 sisters, Vera and Rena one in college and the other working in a marketing firm seen as 2 stunning yet normal civilians trying to get through life thats what they want them to know
As the sunsets the 2 sisters become of opposite personalities they show everyone around them, Vera a calm yet protective older sister is Void an S-rank assasin and one of the BEST. While Rena the charming and playful younger sister is known as Fang a B rank assasin who fights with speed and precision unlike her sister who is a great tactician and someone who calculates the battlefield