sameko, matsuno osomatsu, osomatsu-kun, osomatsu-san, osomatsu (series), bad id, bad pixiv id, highres, 10s, 1boy, alternate costume, black footwear, black hair, black jacket, black pants, black wings, colored skin, demon horns, demon tail, demon wings, fingernails, floating, full body, grey background, grin, half-closed eyes, hand on own cheek, hand on own face, head rest, horns, jacket, long fingernails, long sleeves, looking down, male focus, monochrome, nail polish, pants, red eyes, red nails, shaded face, sharp fingernails, shoes, simple background, sitting, smile, solo, tail, white skin, wings - Image View -