1girl, blurry, blurry_background, blush, breasts, center_frills, collar, crossed_arms, frilled_collar, frills, happy_birthday, idolmaster, idolmaster_(classic), idolmaster_million_live!, large_breasts, light_purple_hair, looking_at_viewer, moon, night, outdoors, purple_shawl, shawl, shijou_takane, sionxxxgtxtxtu, smile, solo