6:5absurd_resaggressive_fertilizationambiguous_genderanthroanthrofiedbacksackballsbelfort_(belfort_and_lupin)belfort_and_lupinbodily_fluidscanidcaninecaniscumcum_insidedomestic_dogduofurkito_mltgenital_fluidsgenitalshi_reshumanoidimpregnationinternallupin_(belfort_and_lupin)malemale/malemale_impregnationmammalovumpregnantpregnant_malesexsize_differencetailwolf