FURVERT!

1:1 2021 aaron_(artist)anal anal_penetration animal_genitalia animal_penis anthro backsack balls bernard_(aaron)bernese_mountain_dog big_penis body_writing border butt canid canine canis dialogue digital_media_(artwork)domestic_dog duo ear_piercing english_text equid equine equine_genitalia equine_penis fur genitals graded_penis hi_res horse huge_penis inside interspecies locker_room male male/male mammal medial_ring molosser mountain_dog multicolored_body multicolored_fur penetration penile penile_penetration penis penis_in_ass piercing school sex solo_focus speech_bubble student swiss_mountain_dog teacher teacher_and_student text tongue tongue_out vein veiny_penis white_border writing_on_genitals writing_on_penis