A lot like choice of the dragon, but if I could suggest a few things...
The "actual" ears thing gives people a false impression that the ears belong to a dog / human. If some clarification could be given on appearance, that wouldn't put a weird image in a reader's head.
Curious that there isn't a WHITE scale color.
Would two different background events be better than the idiosyncracies? Not sure, but if we instead have something like "fight with sister primarily, and stay in and read secondarily", would that function better? Or what if they're both added?
And...
...me gusta that keyboard.