+++, 3girls, ^_^, ahoge, alternate_costume, animal_ears, bikini, black_bikini, blush, breasts, brown_hair, closed_eyes, comic, eyewear_on_head, facing_viewer, female_trainer_(umamusume), green_bikini, green_eyes, hair_ornament, hairclip, hand_up, hat, holding_another's_wrist, horse_ears, horse_girl, horse_tail, innertube, kumo_(mokumoku_warabi), looking_at_viewer, maruzensky_(blasting_off_summer_night)_(umamusume), maruzensky_(umamusume), mini_hat, mini_top_hat, mr._c.b._(umamusume), multiple_girls, musical_note, notice_lines, official_alternate_costume, open_mouth, petticoat, ponytail, shirt, side-tie_bikini_bottom, small_breasts, smile, speech_bubble, sunglasses, swimming, swimsuit, tail, thought_bubble, top_hat, trainer_(umamusume), umamusume, walking, wet, wet_clothes, wet_shirt, wringing_clothes