trainer and eishin flash (umamusume) drawn by yamaki_anp

1boy 1girl alternate_costume animal_ears bespectacled blush breasts comic commentary_request eishin_flash_(umamusume) glasses greyscale highres horse_ears horse_girl horse_tail large_breasts monochrome office_lady open_mouth red-framed_eyewear school_uniform shirt short_hair speech_bubble suit tail tracen_school_uniform trainer_(umamusume) translation_request umamusume yamaki_anp