The Adventures of Jonathan and Jonathan

-CoLS Spoilers- Have you ever wondered what Jace and Sebastian got up to in those few weeks before Clary turned up at the apartment in CoLS? Imagine. Two teenagers. Alone in what can only be described as a bachelor pad. There's a lot of potential for trouble, right? Brace yourselves for the adventures of Jonathan and Jonathan. Things are about to get pretty insane... CANON [I WISH]