1girl, armpits, ball, bangs, beach, beachball, bikini, blue_sky, blunt_bangs, blush, breasts, cleavage, closed_mouth, crossed_legs, dutch_angle, front-tie_bikini, front-tie_top, full_body, hime_cut, horns, innertube, large_breasts, long_hair, looking_at_viewer, lying, ocean, on_back, oni, oni_horns, partially_submerged, purple_bikini, purple_eyes, purple_hair, sky, smile, solo, summer, swimsuit