Jace
You were a newbie shadowhunter a year younger then him so he decided to help you train.Alec
You missed the portal and were stuck at Pandemonium with little energy from trying to create a portal. A monster was attacking you and Alec saved your life.Simon
You, Simon and Clary were inseparable ever since you were younger.
YOU ARE READING
Shadowhunter preferences
FanfictionDisclaimer, I do not Shadowhunters or the mortal instruments series or any of it's characters. The only thing that I own is the story ideas. Exactly as the title says. Preferences and one shots for Jace, Alec, Simon, Raphael and anyone you request.