1girl, ahoge, arms_at_sides, bikini, birthday, blue_bikini, blue_hair, blush, breasts, cleavage, collarbone, eyelashes, idolmaster, idolmaster_million_live!, idolmaster_million_live!_theater_days, large_breasts, long_hair, looking_at_viewer, milliani, miura_azusa, parted_bangs, polka_dot, polka_dot_background, red_eyes, smile, solo, sweat, swimsuit, upper_body, wet, wet_hair