3boys, abs, bara, blindfold, boxers, chidaruma, cloth_gag, curled_horns, demon_boy, demon_horns, demon_wings, dorohedoro, evil_smile, facial_hair, feet_out_of_frame, gag, gagged, goatee, greyscale, horns, improvised_gag, large_pectorals, long_tongue, looking_at_viewer, male_focus, male_underwear, mature_male, monochrome, multiple_boys, muscular, muscular_male, navel, nipples, over_the_mouth_gag, pectorals, short_hair, sideburns, slave, smile, smokerichi, stomach, strangling, thighs, tongue, tongue_out, topless_male, underwear, underwear_only, unfinished, wings, yaoi