1girl, animal_ears, arm_behind_head, armpits, arms_up, bikini, blue_hair, blunt_bangs, braid, breasts, collarbone, cowboy_shot, crown_braid, day, flan_(seeyouflan), frilled_bikini, frills, horse_ears, horse_girl, horse_tail, light_blue_hair, long_hair, looking_at_viewer, medium_breasts, mejiro_ardan_(umamusume), nature, navel, outdoors, purple_eyes, smile, solo, stomach, swimsuit, tail, umamusume, very_long_hair, wading, water