Rule 34 Dev - 2017 4_toes abs anthro arm_grab balls belly big_tail black_horn black_nose black_penis black_tail brown_eyes bush canine claws clenched_teeth crash_azarel detailed_background dirt dragon duo erection eye_contact furry grey_hair grey_tail holding_object horn humanoid_penis jewelry kneeling knife leg_grab long_tail looking_at_another looking_at_partner looking_down low-angle_view lying male mammal muscular muscular_male necklace negger nude on_back on_floor outdoors pecs penis penis_size_difference pink_penis pose raventhan sharp_teeth side_view signature sky snout spiked_tail spread_legs spreading teeth thick_tail toe_claws toes tree wolf yaoi|2595244536