1girl, animal_ears, brown_hair, cardiogram, cowboy_shot, ear_ornament, hair_ornament, hairclip, heartbeat, horse_ears, horse_girl, horse_tail, long_hair, looking_at_viewer, mejiro_dober_(umamusume), open_mouth, pleated_skirt, puffy_short_sleeves, puffy_sleeves, purple_background, purple_eyes, purple_shirt, school_uniform, serafuku, shirt, short_sleeves, skirt, skirt_hold, solo, solokitsune, tail, tracen_school_uniform, umamusume, white_skirt