1girl, bare_shoulders, blush, cecilia_(shiro_seijo_to_kuro_bokushi), collarbone, greyscale, hair_between_eyes, kazutake_hazano, long_hair, long_sleeves, looking_at_viewer, monochrome, off-shoulder_sweater, off_shoulder, parted_lips, ribbed_sweater, shiro_seijo_to_kuro_bokushi, simple_background, sleeves_past_wrists, solo, sweater, upper_body, very_long_hair, white_background