1girl, alternate_costume, animal_ears, bikini, blush, brand_name_imitation, breasts, brown_hair, collarbone, controller, game_console, game_controller, hair_ornament, halterneck, horse_ears, horse_girl, houton_tamago, long_hair, looking_at_viewer, medium_breasts, navel, ocean, satono_diamond_(umamusume), sega, sega_saturn, seiza, side-tie_bikini_bottom, sitting, smile, solo, string_bikini, swimsuit, umamusume, yellow_eyes