Rule 34 Dev - abs anthro balls beak beverage big_penis book bookshelf coffee coffee_mug cross-popping_vein dialogue flaccid foreskin frustrated furniture genitals grading humanoid_genitalia humanoid_penis inside male muscular muscular_anthro muscular_male nipples non-mammal_balls nude paper pecs pen penis sitting solo table teacher text vein veiny_penis writing_utensil mr._frenzy prof._enoch avian bird owl 2021 english_text hi_res|11923010190