absurd_res all_fours anthro blush bottomless breath buckteeth claws closed_eyes clothed clothing cum cum_in_mouth cum_inside duo emenius erection eyewear fellatio glasses goggles gremlin gremlin_(spiral_knights) hand_on_penis hi_res hoodie jacket lying male mammal on_back open_mouth oral pants pants_down partially_clothed penis rodent sciurid sex simple_background slightly_chubby spiral_knights sweat teeth teriyaki_(character) yaoi