Rule 34 Dev - 2boys 4_toes anal anal_sex anthro armpit_hair balls bangs beard biceps big_balls black_fur black_hair black_nose border_collie bound brothers canine chair chair_position closed_eyes collie draite duo erection facial_hair feet from_behind_position fur gay green_eyes hair hi_res humanoid_feet humanoid_penis incest inside jesse_collins laboratory male male_only mammal muscular muscular_male nude open_mouth overweight overweight_male pecs penetration penis plantigrade power_bottom roni_collins sex sibling smile toes white_fur wolfblade yaoi|2700390808