1girl, blush, breasts, cleavage, head_wings, large_breasts, long_hair, looking_at_viewer, naked_towel, oil-paper_umbrella, onsen, open_mouth, outdoors, pink_hair, purple_eyes, satsuki_neko, sitting, solo, touka_(utawarerumono), towel, umbrella, utawarerumono, utawarerumono:_lost_flag, water, wet, white_towel, wings