1boy, 1girl, >_<, ahoge, animal_ears, arm_up, breast_press, breast_rest, breasts, breasts_on_head, chibi, closed_eyes, collarbone, horse_ears, horse_girl, kitasan_black_(umamusume), kugimiya_atsuki, medium_breasts, mimikaki, monochrome, red_eyes, school_uniform, sweat, tracen_school_uniform, trainer_(umamusume), umamusume