anthro big_breasts black_body black_fur breasts countershading duo female fur grey_body grey_fur hair looking_at_viewer male male/female nipples nude open_mouth penetration red_eyes reverse_countershading sex size_difference smile spots spotted_body spotted_fur white_body white_fur arturowolff_(director) arturowolff canid canine canis felid mammal pantherine snow_leopard wolf hi_res