1girl, alternate_costume, animal_ears, bikini, bikini_under_clothes, blue_bow, bow, brown_hair, closed_mouth, ear_bow, evening, green_eyes, holding, holding_water_gun, horse_ears, horse_girl, horse_tail, long_hair, looking_at_viewer, maruzensky_(umamusume), red_bikini, shirt, side-tie_bikini_bottom, solo, swimsuit, tail, tassel, umamusume, underwear, very_long_hair, water_gun, white_shirt, yoshiaki_(yosiaki_ml)