Rule 34 Dev - 4_toes 5_fingers anthro anus black_body black_fur blonde_hair bodily_fluids canid canine capsule chamber dripping erection feet fingers fluffy fluffy_tail fur gaping gaping_anus genital_fluids hair horn humanoid_genitalia laboratory laboratory_equipment leaking_precum male mammal mask medical_instrument mismatched_genitalia neysheli oxygen_mask precum precum_drip scientific_experiment scientific_instrument solo tail toes|9831421072