Rule 34 Dev - 5_fingers abs anthro anthro_on_anthro balls biceps big_muscles duo erection fellatio fingers fur genitals hair horn interspecies kneeling male male/male male_penetrated male_penetrating male_penetrating_male markings musclegut muscular muscular_anthro muscular_male nipples nude oral oral_penetration ossicone pecs penetration penile penis sex slightly_chubby spots standing tail vein sudonym raffe equid equine giraffe giraffid horse mammal graphite_(artwork) monochrome sketch traditional_media_(artwork)|1314373165