She's Kuchisake-Onna, the famous Yo Kai from the Japanese folklore who is an apparently normal girl with a trench coat and a face mask, she wears her face mask to hide the huge cut she has on her mouth, a cut caused by her old husband before he killed her, making her become a Yo Kai with a huge complex about the scar of her mouth, she always wants to hear that she's beautiful even though her scar and she will kill with her scissors anyone who says she's not beautiful 