1girl, bare_arms, bare_shoulders, bed_sheet, black_hair, blush, bow, bow_bra, bra, breasts, brown_eyes, cleavage, collarbone, frilled_bra, frills, hands_up, looking_at_viewer, lying, matsunaga_kouyou, medium_breasts, nose_blush, on_back, original, parted_lips, pink_bra, polka_dot, polka_dot_bra, short_hair, solo, underwear, underwear_only, upper_body