..., 2boys, abs, animal_ears, bara, behind_another, blush, brown_eyes, completely_nude, couple, cow_boy, cow_ears, cow_horns, facial_hair, forked_eyebrows, glowing_horns, goatee, grabbing, horns, large_pectorals, laughing, long_sideburns, male_focus, multiple_boys, muscular, muscular_male, navel, nipples, nude, pectoral_grab, pectorals, scar, scar_on_cheek, scar_on_face, short_hair, sideburns, sketch, sportswear, stomach, stubble, thick_eyebrows, tight, yaoi