Rule 34 Dev - ! 2boys anthro armpits balls biceps bondage bound bowser cellphone collar dragon english_text erection king koopa kotetsu_rexen leash male male_only manly mario_(series) multiple_boys muscular nintendo nude pecs penis petplay phone pubic_hair roleplay royalty scalie selfie simple_background size_difference smile spikes standing text uncut yaoi|2502053376