FURVERT!

ambiguous_gender ambiguous_on_humanoid aquatic beach bestiality bivalve book breasts clam detailed_background duo erection eyewear female female_on_feral feral genitals geoduck glasses humanoid humanoid_on_feral improvised_dildo improvised_sex_toy larger_female living_insertion living_insertion_play marmalademum masturbation merfolk mollusk monster_girl_(genre)nipples not_furry_focus outside penetration sand seaside size_difference sky smaller_ambiguous solo_focus split_form vaginal vaginal_penetration vulva water