Rule 34 Dev - 2024 5_fingers abs alley anthro balls black_nose brand_new_animal canid canine canis claws collar collar_only crate erection finger_claws fingers fur genitals glans grey_body grey_fur hi_res holding_own_penis holding_penis humanoid_hands male mammal muscular muscular_anthro muscular_male navel nexus nipples nude nude_anthro nude_male on_crate penis shirou_ogami sitting sitting_on_crate solo spread_legs spreading studio_trigger wolf|12125791768