izumi sai, jingai kyoshitsu no ningen girai kyoshi, highres, official art, 1girl, animal ear fluff, animal ears, blush, book, bow, bowtie, braid, brown eyes, brown hair, brown jacket, character name, closed mouth, collared shirt, cowboy shot, dated, english text, glasses, happy birthday, holding, holding book, jacket, long hair, long sleeves, multicolored hair, ohgami isaki, pleated skirt, polka dot, polka dot background, rectangular eyewear, red-framed eyewear, red bow, red skirt, school uniform, semi-rimless eyewear, shirt, skirt, solo, twin braids, under-rim eyewear, very long hair, wavy hair, wavy mouth, white hair, white shirt, wolf ears, wolf girl