Rule 34 Dev - blood blush bodily_fluids bulge duo expansion genital_expansion genitals growth hair heart_eyes heart_symbol horn humanoid_genitalia male male/male manly muscle_growth muscular muscular_male nosebleed pecs penis vein veiny_penis fungimagi mythology dragon felid mammal mythological_creature mythological_scalie pantherine scalie 1:1 animated black_and_white monochrome no_sound short_playtime webm|22727973975