1boy, 1girl, animal_ears, arona's_sensei_doodle_(blue_archive), bad_pixiv_id, blue_archive, blush, breasts, chi_maru, china_dress, chinese_clothes, cleavage, cosplay, crossover, dress, gloves, hair_ornament, hair_over_one_eye, horse_ears, horse_girl, horse_tail, long_hair, looking_at_viewer, purple_eyes, rice_shower_(umamusume), see-through, see-through_cleavage, sensei_(blue_archive), simple_background, small_breasts, tail, umamusume, white_background