1girl, ass, azure_striker_gunvolt, back, beach, bikini, blue_sky, blush, breasts, cloud, cloudy_sky, cougar_(cougar1404), cowboy_shot, crossed_arms, day, elise_(gunvolt), from_behind, grey_hair, halterneck, horizon, long_hair, looking_at_viewer, looking_back, medium_breasts, ocean, outdoors, parted_bangs, purple_eyes, side-tie_bikini_bottom, sky, solo, sweatdrop, swimsuit, very_long_hair