Striving To Be A Mob Character

She woke up in the middle of nowhere. Chelsea Hawthorn was just part of the regular work force in society, a regular staff nurse checking on her patients in the night shift. She was just about to get a much needed coffee break when her foot slipped on a shiny wet floor... and BAM! She found herself in another body in a different world. Sigma University, the World's number One University. What!? I'm one of the youngest so-called genius students!? Nope! Hide! There are three classes in society. Alpha, Beta, and Omega. What!? I'm an Omega? Why can't I be a Beta!? Welcome! I'm your system, your goal is to-- STOP! No, no, no! Damn golden finger! Help! I don't want to be a cannon fodder or protagonist!