MapleStory: Justice! (Prediction)

Let the speculation begin!

 #1

 #2

 #3

I think i know the story line.
this guy is the thief hero and his under cover to get information from the black mage.
as you can see he has the uniform of black wings.
In the card you can see he is there with the empress. how do i know is the empress? long hair, hair accessory, and you can see the big animal shinsoo.