rule 34 2023 3boys abs abstract background anal anal sex anthro anthro on anthro anthro penetrating anthro anus arm hair ass balls ballsack banjo kihu bareback barely visible balls barely visible genitalia beard biceps big butt big muscles big penis body fur body hair border breath chest hair claws deltoids digitigrade double anal double penetration drooling erection eyebrows facial hair fangs foreskin foreskin folds fully retracted foreskin gay genitals green background grey border group sex hand on butt hand on shoulder happy trail heart horns huge cock huge muscles humanoid genitalia humanoid penis intact internal kangaroo kihu looking pleasured lying macropod male malemale male nipples male only male penetrating male male pubic hair mammal marsupial masculine muscles muscular anthro muscular male narrowed eyes navel nipple piercing nipple rings nude male obliques on back open mouth open smile partially retracted foreskin pawpads pecs penetration penile penile penetration penis penis in ass penis size difference piercing pubes ring piercing sabertooth anatomy saliva scrotum sex shadow simple background sitting size difference smile smooth penis standing stretched anus sweat sweatdrop tattoo teeth testicles thick penis thick thighs threesome tongue tongue out triceps trio two doms one sub uncut veiny muscles veiny penis 7414517