naga u, kemomimi-chan (naga u), original, commentary, highres, 1girl, animal ear fluff, animal ears, balloon, bell, blonde hair, blush, collar, flat chest, fox ears, fox girl, fox tail, green shirt, hair bun, happy birthday, jingle bell, jitome, long sleeves, looking at viewer, miniskirt, neck bell, necktie, no mouth, pleated skirt, purple collar, purple eyes, purple skirt, sailor collar, shirt, skirt, sleeves past fingers, sleeves past wrists, solo, tail, thighhighs, v-shaped eyebrows, white sailor collar, white thighhighs, yellow necktie