Hololive Production Ookami Mio Nendoroid #1856. 
"Hellooowl! It is Ookami Mio!" 
Mio comes with 3 face plates (standard, smiling, and Tsukkomi). 
She also comes with various accessories such as a ukelele, sweatdrop mark, a tarot card + additional hands and legs for various poses. 
Based on the VTuber production company Hololive Gamers.
Approximately 3.9" tall.  
Brand: Good Smile Company