2girls, afloat, animal_ears, bad_twitter_id, bare_shoulders, bikini, bikini_skirt, blush, breasts, brown_hair, cleavage, collarbone, crossed_legs, daiwa_scarlet_(trifle_vacation)_(umamusume), daiwa_scarlet_(umamusume), fang, frilled_bikini, frills, hair_intakes, halterneck, horse_ears, innertube, large_breasts, long_hair, looking_at_viewer, low_twintails, multiple_girls, official_alternate_costume, open_mouth, red_bikini, red_eyes, sakura_akami, sitting, smile, solo_focus, swimsuit, twintails, umamusume, vodka_(umamusume), water