1girl, animal_ears, bare_shoulders, black_footwear, black_pants, brown_hair, couch, cropped_vest, crossed_legs, daiwa_scarlet_(umamusume), feet_out_of_frame, glasses, hair_intakes, horse_ears, horse_girl, horse_tail, long_hair, midriff, navel, on_couch, open_mouth, pants, sitting, sky_wing12, solo, speech_bubble, tail, umamusume, vest, white_vest