1girl, arm_support, blue_eyes, blush, breasts, collarbone, covered_navel, grin, lantern, long_hair, looking_at_viewer, medium_breasts, naked_towel, night, onsen, original, outdoors, rock, sidelocks, sitting, smile, solo, steam, tatsumiya_kagari, teeth, thighs, towel, very_long_hair, white_hair