3girls, ahoge, anastasia_(idolmaster), aqua_eyes, bad_pixiv_id, braid, breasts, brown_hair, cleavage, confetti, detached_sleeves, grey_hair, hair_between_eyes, hat, hoshi_syoko, idolmaster, idolmaster_cinderella_girls, igarashi_kyoko, jewelry, kneeling, kuze_kaname, long_hair, looking_at_viewer, medium_breasts, multiple_girls, necklace, one_eye_closed, open_mouth, orange_socks, parted_lips, party_popper, ponytail, shoes, short_hair, shorts, side_braid, side_ponytail, simple_background, sitting, skirt, sneakers, socks, white_background, white_footwear, white_headwear