2boys, abs, arm_around_shoulder, bara, black_hair, bulge, buzz_cut, cover, cover_page, cowboy_shot, dark-skinned_male, dark_skin, facial_hair, goatee, holding, holding_clothes, holding_shirt, large_pectorals, long_sideburns, looking_at_viewer, male_focus, mature_male, multiple_boys, muscular, muscular_male, navel, navel_hair, nipples, novel_cover, original, pectorals, rugby_uniform, shirai_mizuto, shirt, short_hair, shorts, sideburns, smile, sportswear, stomach, strongman_waist, stubble, terujirou_(masateruteru), thick_eyebrows, thick_thighs, thighs, topless_male, unworn_shirt, very_short_hair, white_shorts, yaoi