Part-Timing Assassin- Character Aesthetics

Your world renown first class trained assassin is a part timer?
Not only is she killer in style, she's also killer in a deadly sort of way.
Between managing her college classes, taking down the next person on her hit list, and normal student life, this assassin has it tough, but these are things that she's gone through before. However, when someone new adds himself into the equation, secret identities will be revealed, and everything will be flipped upside down.
Suddenly she doesn't know how to handle being a part-timer.