He didn't respond for a moment.  "Hm?  Oh, that's nice."  Ethan smiled lightly, and Sebastian, whose expression had gone from ecstatic to confused to concerned, beamed again as Ethan did so.  His ears perked up and his tail wagged excitedly - an endangerment to those standing too close.

"Ethan, you're pro'ly the youngest Demon Hunter EVER.  Wait, there was one who was fourteen, I think.  Aw, man, you just barely missed the record.  S'okay, though, 'cause we're going to celebrate!  WITH A MISSION!"
"...What?  Now?  Are we allowed to do that?"
"YES!  We're an officially approved team!"  Sebastian looked to Daya for support.