1girl alternate_breast_size animal_ears arms_under_breasts bangs black-framed_eyewear black_hair blue_eyes blush braid breasts closed_mouth commentary_request crown_braid gen_(black_factory) glasses hair_over_shoulder highres horse_ears horse_girl horse_tail huge_breasts long_hair looking_away pleated_skirt puffy_short_sleeves puffy_sleeves purple_shirt school_uniform shirt short_sleeves single_braid skirt solo tail tracen_school_uniform umamusume white_skirt zenno_rob_roy_(umamusume)