1girl, ahoge, arm_support, ass, blurry, blurry_background, blush, brown_hair, idolmaster, idolmaster_million_live!, kamille_(vcx68), looking_at_viewer, looking_back, naked_towel, onsen, outdoors, purple_eyes, shoulder_blades, side_ponytail, sidelocks, smile, solo, steam, towel, wavy_hair, wooden_wall, yokoyama_nao