Rule 34 Dev - 2boys 2males anal anal_sex balls bara big_pecs blush dilf ducka-98 gay gay_sex invincible invincible_(comics) male male_focus male_only male_penetrated male_penetrating male_penetrating_male muscle muscles muscular muscular_male musk nolan_grayson omni-man penis sex the_immortal veins yaoi|12426951392