Rule 34 Dev - 1boy 1girl animal_ears bikini black_bikini black_hair blue_hair bow braid breasts ear_bow ear_ornament ear_ribbon herohero_(higashi_no_dou) highres horse_ears horse_girl horse_tail large_breasts mejiro_ardan_(umamusume) pants purple_eyes side-tie_bikini_bottom swimsuit tail topless_male umamusume|25346285874