FURVERT!

alien ambiguous_species antennae_(anatomy)blue_body blue_fin blue_skin countershading duo erection face_tentacles female female_penetrated feral fin gastropod genitals grey_background hybrid kissing lying male male/female male_penetrating male_penetrating_female mollusk monster nude on_back penetration penis pink_antennae prehensile_penis ramul sex simple_background skin_folds slug spiracles tentacles wet wet_body white_body white_fin white_skin worm