Rule 34 Dev - 2021 anthro avian balls beak beverage bird book bookshelf coffee coffee_mug cross-popping_vein dialogue english_text flaccid foreskin frustrated furniture genitals grading hi_res humanoid_genitalia humanoid_penis inside male mr._frenzy muscular muscular_anthro muscular_male nipples nude owl paper pecs pen penis prof._enoch sitting solo table teacher text uncut|5120011624