you did a great work on both of the drawings, in my opinion this could be so nice for a notebook cover (one for the front and the other for the back) don't you think? if you haven't considered it I think you should think about it, you can use it and shall be useful for you to sell it. sorry for my English but hope you understand what I meant.
and by the way I really love this, you have smooth sketch lines and brilliant ideas.
I love the tension between them! It's very passionate and you can't be 100% sure whether they're like mortal enemies insulting each other or just like two sisters/besties playing around. This would be generally very good base for a fan fic author! At least I got many ideas just by looking at this.. shame that Imma poor writer. They are both fantastic drawings <3 thanks for sharing Mel!!