4girls, d, ^_^, agnes_digital_(umamusume), animal_ears, black_bow, blue_shirt, blush, bow, brown_hair, closed_eyes, comic, ear_bow, fireworks, flower-shaped_pupils, frilled_skirt, frills, green_bow, green_hair, hairband, haru_urara_(umamusume), hizuki_yayoi, holding_fireworks, horse_ears, horse_girl, horse_tail, king_halo_(umamusume), long_hair, lying, multiple_girls, night, on_back, outdoors, pink_hair, pleated_skirt, ponytail, puffy_short_sleeves, puffy_sleeves, purple_eyes, red_hairband, school_uniform, seiun_sky_(umamusume), senkou_hanabi, shirt, short_sleeves, skirt, smile, sparkler, squatting, symbol-shaped_pupils, tail, tracen_school_uniform, umamusume, white_bow, white_skirt