5girls, ^_^, animal_ears, balloon, birthday, birthday_sash, blush, box, brown_eyes, brown_hair, carrot, cellphone, chalkboard, closed_eyes, closed_mouth, confetti, desk, domino_mask, el_condor_pasa_(umamusume), gift, gift_bag, gift_box, golden_generation_(umamusume), grass_wonder_(umamusume), grey_hair, hair_ornament, hairclip, hat, highres, holding, holding_plate, horse_ears, horse_girl, indoors, king_halo_(umamusume), long_sleeves, looking_at_viewer, mask, multicolored_hair, multiple_girls, one_eye_closed, open_mouth, party_hat, party_popper, phone, plate, purple_eyes, purple_shirt, purple_skirt, purple_thighhighs, sailor_collar, sash, school_uniform, seiun_sky_(umamusume), shirt, short_hair, shoulder_sash, skirt, smartphone, smile, sodemaru_unagi, special_week_(umamusume), thighhighs, tracen_school_uniform, twitter_username, two-tone_hair, umamusume