Rule 34 Dev - age_difference asian_mythology bara big_penis black_hair blonde_hair blush bodily_fluids body_hair bottomless chest_hair clothed clothing demon drooling duo east_asian_mythology erection gay genitals hair heart horn human human_on_humanoid human_penetrated humanoid humanoid_penetrating humanoid_penetrating_human interspecies japanese_mythology japanese_text larger_humanoid larger_male male male/male male_only mammal muscular muscular_humanoid muscular_male mythology necktie nipples older_humanoid older_male oni oral oral_penetration partially_clothed pecs penetration penis red_body ron9 saliva sex size_difference smaller_human smaller_male smaller_penetrated student sweat teacher teacher_and_student text underwear underwear_down yaoi youkai younger_human younger_male younger_penetrated|8015977656