Terminal Love

Clary and Jace bump into each other, then there's a mishap with phone and phone numbers and Jace gets beaten to a pulp because of it. Jace finds out that it was her who had tricked him. He tells Clary to pretend to be his girlfriend to make his ex jealous. But then they begin to genuinely fall in love. Then he finds out two people in his life have deadly illnesses? Subtle Crossover