ryans, sanda (itagaki paru), ai-assisted, ai-generated background, highres, paid reward available, variant set, 1boy, bara, beard, briefs, connected beard, covered abs, covered pectorals, facial hair, full beard, full moon, hood, hood down, hooded track jacket, jacket, male focus, male underwear, mature male, moon, muscular, muscular male, night, old, old man, on roof, outdoors, pectorals, red jacket, santa claus (sanda), short hair, snowing, solo, thick arms, thick thighs, thighs, track jacket, underwear, white hair, white male underwear