Aliasing xin-wei → nnecgrau
Link to alias

Reason:

Same artist. Also alias

ninko -> nnecgrau
marti-font -> nnecgrau

Evidence:
FA page for ninko which redirects to Marti-font
e621 artist page for nnecgrau
e621 artist page for ninko
e621 user ryani and their tag history which tags themselves over the years as ninko, xin-wei and nnecgrau
Comment by seff on post #267731
Comment by artist on their DA page
Comment by FK on /r/yiff