Zeri from League Of Legends in the Winter Wonder universe.
Noticeable differences from her default appearance include White Hair with bluehighlights, Blue Eyes, and a winter themed outfit. She wears a Fur Trim Winter Coat and a skater's Leotard. On her legs she wears Blue Thighhighs and her feet she wears Ice Skates.
After using her ultimate ability, her outfit temporarily changes to a light Blue Bodysuit and her coat becomes Translucent.