Rule 34 Dev - age_difference aircraft airplane anthro balls blush boner briefs buckteeth bulge clothing dripping duo erection eyewear flying_sweatdrops front_view furry furry_only gay geronimo_stilton geronimo_stilton_(series) glans glasses grope humanoid_penis inside licking licking_lips male male_only mammal mature_male mouse mutual_masturbation necktie no_humans open_pants penis poking_out precum public_transportation rodent rohly sitting suit sweat sweatdrop teeth tenting tongue tongue_out uncle_stingysnout underwear vest yaoi|2283725520