1boy, ass, back, bara, black_hair, black_pants, covered_abs, covered_nipples, dark-skinned_male, dark_skin, grey_tank_top, kansuke_(kansuke_717), male_focus, muscular, muscular_male, original, pants, short_hair, simple_background, solo, sweat, tank_top, thick_thighs, thighs, white_background