As far as legitimate permissions go, I'm going to say no; however, every three blue moons, YWS holds an official contest, and, at times, those are split into age categories. So the answer is no with a very small exception of yes.
I am a forest fire and an ocean, and I will burn you just as much as I will drown everything you have inside.
-Shinji Moon
I am the property of Rydia, please return me to her ship.
