This is a realtime 3D model based on the concept by Valeria Dryzhak.
That concept can be seen here.
https://www.artstation.com/artwork/PmXOvy.

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Sculpted in Zbrush
UVs/ Modeling Adjustments in Maya
Hair created in Maya Xgen and exported out as geometry
Textured in Substance Painter
Character is presented in Marmoset Toolbag 4