FURVERT!

after_sex anthro bodily_fluids canid canine canis collection_cup cum cum_collecting cum_covered cum_drip cum_in_a_cup cum_in_container cum_on_body cum_on_face domestic_dog dripping duo exhausted female female_on_human fucked_to_exhaustion genital_fluids genitals giving_up_the_ghost half-erect human human_on_anthro interspecies jewelpet laboratory_equipment larger_human larger_male lying male male/female male_on_anthro mammal medical_examination medical_instrument messy microscope monochrome motion_outline on_back pen penis sanrio sapphie_(jewelpet)scientific_instrument sega sega_fave shaking shortstack sitting size_difference smaller_anthro smaller_female spread_legs spreading tail tengaboxes thick_thighs trembling writing_utensil