Rule 34 Dev - anthro ball_gag balls bdsm big_ball_gag big_gag bodily_fluids bondage bound container cum cup erection gag gagged genital_fluids genitals male muscular muscular_anthro muscular_male nude pecs penile penis penis_milking solo submissive submissive_male literaturabdsm mammal mouse murid murine rodent hi_res monochrome|6430008095