Ah, yes X'D I personally don't think Kura is a sue but other people could. She has really high stats compared to the canon characters (33 in total, Orochimaru got 35) because I think she has to be a strong kunoichi in order to get her job done :'D And moreover because she appears much much younger than she really is and I think people might wonder about this when looking at her.
She's also older than some of the other canon characters(meaning more experience) so I think 33 is good for her~ Kakashi is 34.5 and Asuma is around 32.5 so I don't think people should complain too much. x'D Hopefully you won't have any trouble though~
All the Tsukikage Kuragari members, or the group in general. I feel like not many people would like another group that's somewhat similar to the Akatasuki. :') What I'm really surprised about is no one has ever said anything about Junko's outfit since it's pretty revealing.
-cough- yup Although Majo and Shiori have been on a sue blog once, but thats because it was a drawing Annria made and people thought 'she' (idk who, either majo or shiori) looked like Orochimaru somehow. people are colorblind.