What if Damon had met Elena before Stefan had?

Best friends clary and jace have just bought an apartment together to save money. Jace is a player and clary is in a steady relationship with jaces old high school friend Sebastian. Clary dares jace that he can't make a girl fall in love with him in six months but what happens when clary is the one that ends up falling for her sarcastic golden best friend even after she gets engaged. Will they continue with their skinny love or finally admit their feelings to each other before it's too late and there's no going back?

All human fanfiction for the Mortal Instruments. Mostly a Clace fanfic, but there will be some Sizzy, and Malec. Hope you like