rule 34 2boys 2d 2d artwork 2d artwork 2males abs ass focus ass on face big ass colored scat comic page coprophagia dialogue dominant male domination facefart faceless character facesitting fart fart cloud fart fetish fart farting farting in face farting on face farts gasbox gassy gay green hair highres human chair human toilet japanese text looking down male focus monochrome patreon pov rimming rimming male scat shart shitting shitting in mouth slave smothering speech bubble stench lines tagme translation request viewed from below yaoi 8738394