2boys, abs, age_difference, bara, bare_pectorals, black_sclera, borrowed_character, chest_hair, chest_tuft, colored_sclera, colored_skin, demon_boy, facial_hair, goatee, grey_hair, hinokumo_f, interspecies, large_pectorals, long_hair, male_focus, multiple_boys, muscular, muscular_male, nipples, oni, original, pectorals, red_oni, red_skin, short_hair, stomach, upper_body, yaoi