1girl, animal_ears, arms_up, blush, breasts, brown_eyes, brown_hair, cellphone, collarbone, holding, holding_phone, horse_ears, horse_girl, horse_tail, large_breasts, long_hair, looking_at_viewer, parted_lips, phone, pleated_skirt, purple_shirt, purple_skirt, risa_(pixiv23908854), satono_diamond_(umamusume), school_uniform, shirt, short_sleeves, simple_background, skindentation, skirt, smartphone, solo, tail, thighhighs, thighs, tracen_school_uniform, umamusume, white_background, white_thighhighs