#xicheng AU where they both are sworn enemies where JC is utterly determined to wholly exterminate every weed of evil in his city and does so quite astoundingly with his own talents and skills, though he has to resentfully accept the fact that intricate information and intel+ from an anynomous client of his always serve to further ripen his fruition and allow him to execute his actions flawlessly. All JC knows is that XC is the embodiment of all evil, a devilishly intelligent businessman who runs the most successful undeground market and always slips+