Rule 34 Dev - anal anal_sex anthro anthro_on_anthro anthro_penetrated anthro_penetrating anthro_penetrating_anthro ass balls black_hair blue_body bodily_fluids canid canine canis comic dialogue domestic_dog dragon dripping duo english_text gay genital_fluids genitals hair hi_res horn hug kissing kristakeshi male male/male male_only male_penetrated male_penetrating male_penetrating_male mammal mastiff molosser muscular muscular_anthro muscular_male nipple_piercing nipples penetration penis piercing precum precum_drip rennin reyes rottweiler sex speech_bubble tagme text yaoi|5151406720