1girl, asymmetrical bangs, blurry, blurry background, bow, bowtie, brown hair, cosplay, cropped legs, dress shirt, forehead, green vest, hairband, happy birthday, holding, holding paper, office lady, open mouth, otonashi kotori cosplay, paper, pencil skirt, pink eyes, shirt, skirt, solo, straight hair, thighhighs, thighs, vest, white background, yellow bow, yellow bowtie, yellow hairband