1girl, agnes_tachyon_(umamusume), alternate_costume, animal_ears, armpit_crease, bare_shoulders, baseball_cap, black_headwear, black_pants, blue_background, boc'z_(umamusume), breasts, brown_hair, casual, crop_top, ears_through_headwear, grey_shirt, hat, horse_ears, horse_girl, horse_tail, long_sleeves, looking_at_viewer, midriff, navel, nazuka_(mikkamisaki), off-shoulder_shirt, off_shoulder, open_mouth, orange_eyes, outstretched_arm, pants, reaching, reaching_towards_viewer, shirt, short_hair, simple_background, small_breasts, smile, solo, tail, umamusume, upper_body