1boy, arm_behind_head, armpit_hair, armpits, bara, big_belly, black_hair, bulge, cowboy_shot, facial_hair, goatee, grey_pants, kurosaki_yutaka_(ta_koazuma), large_pectorals, male_focus, mature_male, muscular, muscular_male, navel, navel_hair, nipples, original, pants, pectorals, plump, short_hair, shy, sideburns, solo, stomach, sweatdrop, ta_koazuma, thick_thighs, thighs, topless_male, track_pants