FURVERT!

anthro ball_inflation balls balls_expansion bodily_fluids breasts cum cum_exchange cum_in_balls cum_inflation cum_inside dominant duo expansion genital_expansion genital_fluids genitals gynomorph gynomorph/male hi_res impregnation inflation intersex intersex/male larger_dom larger_penis_in_smaller male male_impregnation mammal murid murine musk penetration penile penile_penetration penis penis_in_penis penis_size_difference rat ratboy ratdraws retracted_balls rodent size_difference skaven sperm_cell_collision spermicidal_takeover testicle_impregnation urethral urethral_penetration warhammer_(franchise)warhammer_fantasy