1girl, bare_arms, bare_legs, beach, bench, bikini, blue_bikini, blue_eyes, blue_hair, blue_sky, breasts, cloud, collarbone, cumulonimbus_cloud, day, halterneck, hand_in_own_hair, kiritani_haruka, legs_together, looking_at_viewer, medium_breasts, navel, ocean, parted_lips, project_sekai, short_hair, side-tie_bikini_bottom, sitting, sky, solo, string_bikini, swimsuit, tomura2maru, wide_hips