Rule 34 Dev - 2018 abs after_transformation anthro ass biceps bodysuit boner bound canid canine canis clothing domestic_dog duo encasement erection forced forced_transformation glistening glistening_bodysuit glistening_clothing glistening_skinsuit goo_transformation hi_res human_to_anthro hunterkay leo_whitefang looking_at_viewer lying male male/male male_only mammal muscular muscular_anthro muscular_male on_back pecs scar skinsuit species_transformation spread_butt spreading takeover tight_clothing transformation tugging_clothing unknown_character|10233738224