2boys, alternate_hairstyle, anilingus, armpits, bangs, bare_arms, between_pectorals, blush, earrings, eyebrows_visible_through_hair, fang, flying_sweatdrops, greyscale, heart, jewelry, long_hair, lying, male_focus, monochrome, multiple_boys, nipples, oiled, on_back, open_mouth, pectorals, penis, ponytail, shiny, shiny_skin, shirt, short_hair, silhouette, sleeveless, sleeveless_shirt, speech_bubble, sweat, testicles, tied_hair, tongue, tongue_out, veins, yaoi