1)Dont use NMM,simply outdated;only crazy people still use it. 2)Brown face is generally because of load order problems.I dont know how NMM works and handles things;i have never used it. it happened to me once when i had messed up load order and installation order.(Change your load order/installation order to solve problem) 3)I can bet my worthless life that there are some conflicts between those mods. Look at them in Edit and either dont use some of them or create patches.(look at edit to solve conflict) 4)After doing everything,realize even in normal Bijin scenario,there are still neckseams.(Download Bijin compatible skin and body textures) 5)After downloading realize there is still tiny neckseam.When it sometimes becomes unbearable or fine,completely depending on your ENB/light/weather/etc(Learn to live with it or texblend).