FURVERT!

abdominal_bulge anthro anus bodily_fluids catty_cattenheimer clothing cum cum_inflated_belly cum_inflation cum_inside darkgalgani deltarune genital_fluids genitals grey_body grey_skin gynomorph hair hat headgear headwear hi_res human impregnation inflation intersex intersex/intersex interspecies leaking_cum long_hair mammal monochrome_body overweight ovum ovum_with_face penetration penile penile_penetration penis penis_in_penis puffy_anus smile smiling_at_another smiling_at_partner sperm_cell sperm_cell_with_face spermicidal_takeover spinshift testicle_impregnation testicular_pregnancy undertale_(series)unusual_pregnancy urethral urethral_penetration vulva weight_difference