1girl, ahoge, animal_ears, arms_behind_back, blue_eyes, blush, breasts, brown_hair, gaze_on_me!_outfit_(umamusume), grey_hairband, hair_between_eyes, hairband, head_tilt, horse_ears, horse_girl, horse_tail, kayama_kenji, large_breasts, long_hair, looking_at_viewer, midriff, mihono_bourbon_(umamusume), official_alternate_costume, pink_shorts, shirt, short_shorts, short_sleeves, shorts, simple_background, solo, t-shirt, tail, tied_shirt, umamusume, white_background, white_shirt