Rule 34 Dev - 2023 age_difference anthro anthro_on_anthro ball_fondling balls bara belt blurred_background blush bodily_fluids bottomwear canid canine classroom clothed clothed_sex clothing denim denim_bottomwear denim_clothing dialogue dress_shirt drooling duo english_text erection eyebrow_slit eyebrows eyewear facial_hair fondling foreskin foreskin_play gay genital_fluids genitals glasses hi_res humanoid_genitalia humanoid_penis humor jacket jeans jock letterman_jacket male male/male mammal masturbation mature_male moustache neshanky nipples older_male open_mouth open_smile pants penile penile_masturbation penis precum pubes pun saliva school sex shirt signature smile speech_bubble student teacher teacher_and_student text tongue tongue_in_foreskin tongue_out topwear translucent translucent_clothing window yaoi younger_male|11555510352