FURVERT!

5:4 addition almost_fully_inside alphabet anthro anus arithmetic balls battery_life belly big_belly black_body black_fur black_hair bone bones_in_feces brown_eyes butt camera_overlay canid canine canis chair classroom classroom_desk classroom_nudity death desk disposal domestic_dog door duo fatal_vore feces feces_in_ass feces_on_ground feces_pile feet_first fur furniture genitals glasses_in_feces hair human humanoid_hands inside looking_at_viewer looking_back looking_back_at_viewer male male/male mammal math nude nude_pred object_in_feces oral_vore pale_skin paper perineum puffy_anus raised_tail rear_view recording recording_video scat_disposal school skull skull_in_feces standing stufferzz table tail vore white_body white_fur