On a somewhat peaceful evening, you decide to try summoning a Transient. Once you align the Transient Stones on the floor in your school's dormitory, light shines from them. Recomposing yourself from the flash, you open your eyes and see...

I'm the dude this guy sees in the mirror, the mirror image of Oz. Take care of bag boy, yeah? Thanks Summoner. A Lion Transient with a foreigner school uniform, with a bit of a smug look on his face.