ne·far·i·ous nəˈferēəs/ Typically of an action or activity wicked or criminal. "What's mine, Stays mine" Y/n never meant any harm, she was a friendly girl and a generous one at that, little did she know too much of this things could put not only her but other lives in trouble. What trouble you may ask? Well, that's a story for another time. N E F A R I O U S: What's Mine, Stays Mine(Yandere Boys x Reader)