I wouldn't mind one but im currently at work so cant post any reference thingy. But I like your style and i love the expressions of Aysun and Sienna cant wait to see more!
Edit:Home now and there is a reference sheet in the Character Reference Thread.
Edit edit: as for the pose, can have her training, dancing, singing, fighting, training (she uses a pole arm) or maybe visiting her friends grave. those are just some ideas but do what ever you want :3