rule 34 2018 anthro anthro on anthro anus ari caudamus ass backsack balls black fur black hair blue eyes blue hair closed eyes clothed clothing comic discarded clothing duo footwear fur girly green hair grey fur hair humanoid penis imminent sex inside male male on top mammal mouse multicolored hair nude on top pants pants down partially clothed penis pillow pink penis presenting presenting anus rodent shirt shoes shorts slypon sofa undressing unknown species yaoi 2867245