just went over a big drama arc with Kuze last chapter and theres already a new one... with all that happened u would expect some development now or some peace instead of more drama. Seems like drama is the main fuel here.
If shes going to think about inferiority she really is completely out of her league... the best thing she has going is her good nature and the fact hes growing attached/used to her being around.
Most people would quickly grow tired to deal with someone like Watari tbh. Her goal is hard even without interference.