Both the arms are a bit odd.
The right arm feels like it's being forced towards her body. Perhaps you'd try posing in front of the mirror for reference.
The left arm also seems a bit...I mean would you place your hand awkwardly onto your thigh like that? Maybe it's better if you place her hand on her hip to show her quirkiness(?)
Also, the cat is a bit too near to the foot. I mean I could understand if it's placing itself on the person's foot in the portrait but it's a little weird with it's expression like that. It looks surprised by something, but why would it be if it's playing with it's owner's foot? Especially since it placed it's body near the staff. It's like there's a story behind it and I can't see and it annoys me emotion_donotwant Unless there's a camera flash and it's surprised? I'm thinking too much emotion_facepalm
All in all, great sketch! I love the style emotion_kirakira