Rule 34 Dev - abs anthro arched_back bent_legs black_hair bodily_fluids brown_body clenched_teeth cum cum_drip cum_on_abs cum_on_arm cum_on_chest cum_on_face cum_on_self cumshot dripping ejaculation excessive_cum excessive_genital_fluids eyes_closed foreskin genital_fluids genitals grimace hair humanoid_genitalia humanoid_penis injection intravenous laboratory lying male multicolored_body muscular muscular_male on_back pecs penis quads retracted_foreskin science shaking side_view solo teeth tube two_tone_body vein veiny_penis lantiangou canid canine canis mammal wolf hi_res|21579332635