Authorisruthless Stories

Kushina and Minato are alive and well taking care of their child... well one of them. Naruto has a younger twin named Menma. Kurama was split into two consisting of his soul and his chakra. Menma is the favored child as they train him to be able to take care of Kurama when he is released. They fawn over him even when he does minor things while Naruto accomplishes great feats but has no acknowledgement. What will happen between the family?