1girl, 8kumagawa_(log), afloat_leaves, autumn_leaves, bare_arms, bare_shoulders, blunt_bangs, blush, breasts, closed_mouth, collarbone, dutch_angle, eyelashes, from_above, full-face_blush, hand_on_own_knee, knees_up, legs, long_hair, looking_at_viewer, mitsukasa_ayase, naked_towel, onsen, pink_hair, purple_eyes, riddle_joker, rock, sitting, sketch, small_breasts, smile, solo, straight_hair, towel, very_long_hair