Talk:Uta/@comment-110.33.174.99-20150227225905/@comment-74.100.61.87-20150301235201

That animation isn't done by Ishida himself so I wouldn't consider it canon. If Ishida draws him painting with left hand then it should be his dominant hand.

Again, there can be case of ambidextrous because I myself write with my right hand and paint with my left hand.