FURVERT!

1:1 absurd_res anus big_breasts big_butt big_nipples bodily_fluids breasts butt duo ehri_(rashchaos)ejaculation equid equine female feral gaping gaping_anus gaping_vagina genital_fluids genitals hi_res horn horse huge_breasts huge_butt hyper hyper_gape hyper_genitalia looking_at_another looking_at_partner lying male male/female mammal nipples pony presenting presenting_anus presenting_hindquarters presenting_vulva prolapse rashchaos sploot teats tongue vaginal_fluids vaginal_squirting vulva what_has_science_done