2girls :d ^_^ ahoge animal_ears arm_up bag black_hair black_sailor_collar black_serafuku black_shirt black_skirt breasts brown_eyes brown_hair closed_eyes commentary_request day green_neckerchief hands_up highres horse_ears horse_girl horse_tail kitasan_black_(umamusume) long_hair long_sleeves looking_at_viewer medium_breasts multiple_girls neckerchief outdoors pleated_skirt puffy_long_sleeves puffy_sleeves purinpurin sailor_collar satono_diamond_(umamusume) school_bag school_uniform serafuku shirt skirt sleeves_past_wrists smile tail two_side_up umamusume very_long_hair