Rule 34 Dev - 1girl black_hair blush breasts cleavage collarbone female_focus formal_clothes hair_bun hear heart japanese_text large_breasts middle_finger mole mole_under_eye mole_under_mouth monochrome pen_(medium) pursed_lips single_hair_bun solo spoken_heart suit sweat sweater traditional_media undershirt yan-baru|8230261806