Hi...I have a little problem and i want your help

Right now in my mind came an idea for a new fan fic

It will be about EXO...and i this story they will be angels.

I have fou bias in EXO and I don't know who i choose, and about the tittle too...I really need your help. 

Please!!!!!!!

 The tittle.....I have theree

1º "An angel on earth"

2º  "A falling angel"

3º  "I fell in love with an angel"

Charateres

1º Chanyeol

2º Baekhyun

3º Kris

4º Luhan

PLEASE HELP ME....MAYBE ONE OF THOSE GUYS IS YOUR BIAS? 

IN THIS FIC THERE WILL BE SHINEE, F(X), EXO-K AND EXO-M

RIGHT NOW I'M STILL THINKING ABOUT HOW THE STORY WILL BE....

SO PLEASE SUPPORT ME!!!!!

CHAENYEOL......

BAEKHYUN