Rule 34 Dev - 1girl bare_arms bare_shoulders bikini black_hair blue_eyes blue_sky bracelet breasts cup day drinking_glass drinking_straw female_focus idolmaster idolmaster_cinderella_girls jewelry light_smile lips looking_at_viewer luncheon_meat_umai necklace outdoors short_hair sketch sky small_breasts solo sweat swimsuit togo_ai upper_body|9625543317