1girl, animal_ears, bikini, blue_bikini, breasts, character_name, cowboy_shot, floral_print, from_below, gaze_on_me!_outfit_(umamusume), grey_eyes, horse_ears, horse_girl, horse_tail, long_hair, looking_at_viewer, mejiro_ardan_(umamusume), pataneet, shirt, side-tie_bikini_bottom, solo, swimsuit, t-shirt, tail, tied_shirt, umamusume, white_hair, white_shirt