"Black Cat" and the White-Haired Witch

Eight years ago, the "White-Haired Witch" laboratory massacre occurred in Rust City that shocked the country. The report claims that Alicia, the wife of Howard Melville, the deceased former general manager of Melville Game Company, broke into their company's "ProCard" Research Laboratory No. 1 Wearing a pitch-black "Black Cat" armor, slaughtered all the experimenters in the laboratory, stole their cards and escaped, but has not been arrested so far... "I" came to Rust City from the countryside to go to school. While experiencing city life, I dreamed of getting rich. Because of the high bounty offered by the "White-Haired Witch" Alicia Hailey, I became interested in the case of the "White-Haired Witch" and gradually got to know the truth of the matter... Intention: None