Clara Wagner aka Nocturne from Marvel X-men.
Not much of work on my side here. Tail and eyes are from immyneedscake's Killson Looks - Killision - Subverse | Virt-A-Mate Hub (virtamate.com) and the textures are from Dennigar's Velyndra Looks - Velyndra | Virt-A-Mate Hub (virtamate.com). Lastly...