1girl 2018 :d absurdres animal august bangs barefoot bikini blush calendar_(medium) collarbone day dolphin dutch_angle hair_between_eyes hair_bobbles hair_ornament highres kantoku long_hair looking_at_viewer navel non-web_source ocean open_mouth original outdoors outstretched_arms polka_dot polka_dot_bikini sarong scan silver_hair smile solo spread_arms standing standing_on_one_leg swimsuit umineko_(kantoku) water waves white_bikini yellow_eyes