tamamo cross (umamusume) drawn by doli_palta

1girl :/ animal_ears black_sailor_collar black_serafuku blue_eyes blue_hairband blush breasts cleavage closed_mouth collarbone commentary doli_palta ear_covers ear_ornament ears_down english_commentary envelope grey_hair hair_between_eyes hairband happy_birthday heart highres holding holding_envelope holding_letter horse_ears horse_girl letter long_hair love_letter medium_breasts oversized_clothes sailor_collar school_uniform serafuku single_bare_shoulder single_off_shoulder solo spoken_heart tamamo_cross_(fast_as_lightning)(umamusume) tamamo_cross(umamusume) umamusume upper_body