beer hsk, nakayama festa (umamusume), umamusume, 1girl, :d, animal ears, beanie, blush, closed eyes, closed mouth, cropped torso, ears through headwear, greyscale, gym shirt, hair between eyes, hat, horse ears, jacket, long hair, monochrome, multiple views, open clothes, open jacket, open mouth, parted lips, shirt, simple background, smile, track jacket, upper body, v-shaped eyebrows, white background