1girl, aiou_akahiko, alice_gear_aegis, alternate_costume, arm_support, barefoot, beach, beach_towel, bikini, black_bikini, blue_sky, blurry, blurry_foreground, breasts, cloud, cloudy_sky, day, embarrassed, feet, foot_focus, foreshortening, hair_between_eyes, hand_up, knee_up, large_breasts, leaning_back, legs, long_hair, looking_at_viewer, navel, nikotama_mai, outdoors, pixiv_id, purple_eyes, purple_hair, side-tie_bikini_bottom, sidelocks, sky, soles, solo, swimsuit, toe_scrunch, toenails, toes, towel, twitter_username